Data:Sorex character
| Species | Sorex albibarbis |
|---|---|
| Summer_dorsum_color | blackish or gray frosted with white |
| Summer_venter_color | white with a tinge of brownish or grayish |
| Winter_dorsum_color | |
| Condylobasal_length | 19.1–21.7 (Beneski & Stinson, 1987); 18.4–19.2 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Small |
| Tine_position | |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Absent |
| Skull_shape | |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | distinctly |
| Paired_toe_pads |
| Species | Sorex arcticus |
|---|---|
| Summer_dorsum_color | dark chocolate brown to blackish |
| Summer_venter_color | pale gray brown to whittish |
| Winter_dorsum_color | |
| Condylobasal_length | 19.1–20.0 (Kirkland & Schmidt, 1996) |
| Shape_medial_edge_incisors | Straight |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Small |
| Tine_position | Well below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3≥U4 |
| Postmandibular_canal | Present |
| Skull_shape | Skull relatively flat; braincase slightly rounded |
| Dental_formula | 3/1, 1/1, 3/1, 3/3, total = 32 |
| Dental_characters | Unicuspids robust and appear bulbous in ventral view; tips of upper incisors are more widely separated partly because of tines |
| Other_characters | |
| Tail_bicolored | faintly |
| Paired_toe_pads |
| Species | Sorex arizonae |
|---|---|
| Summer_dorsum_color | grayish-brown |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 15.7–16.53 (Diersing & Hoffmeister, 1977); 15.7–16.53 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Straight |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Medium |
| Tine_position | Well below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3≥U4 |
| Postmandibular_canal | Present |
| Skull_shape | Braincase is slightly rounded (based on image from Diersing & Hoffmeister, 1977) |
| Dental_formula | |
| Dental_characters | Tips of upper incisors are more widely separated partly because of tines (Diersing & Hoffmeister, 1977) |
| Other_characters | |
| Tail_bicolored | |
| Paired_toe_pads |
| Species | Sorex bendirii |
|---|---|
| Summer_dorsum_color | dark brown to blackish |
| Summer_venter_color | slightly lighter to same color as dorsum |
| Winter_dorsum_color | |
| Condylobasal_length | >19.3 (Pattie, 1973); 20.8–23.8 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Slightly curved |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Medium |
| Tine_position | |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Absent |
| Skull_shape | Braincase only slightly rounded; rostrum shallow and distinctly downcurved |
| Dental_formula | |
| Dental_characters | |
| Other_characters | Small fringe of stiff hairs on hindfoot. |
| Tail_bicolored | no |
| Paired_toe_pads |
| Species | Sorex cinereus |
|---|---|
| Summer_dorsum_color | brown to dark grayish-brown |
| Summer_venter_color | gray to buffy-gray |
| Winter_dorsum_color | |
| Condylobasal_length | 14.3–16.1 (French, 1980); 14.6–16.9 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Parallel or slightly diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Medium |
| Tine_position | Well below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3≥U4; U1–U4 are in an almost graduated series |
| Postmandibular_canal | Absent |
| Skull_shape | Rounded braincase |
| Dental_formula | 3/1, 1/1, 3/1, 3/3, total = 32 |
| Dental_characters | Tips of upper incisors are more widely separated partly because of tines |
| Other_characters | |
| Tail_bicolored | faintly |
| Paired_toe_pads | 6 on 3rd and 4th digits of HF |
| Species | Sorex dispar |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 15.8–18.5 (Hall & Kelson, 1959); 16.45–18.7 (Kirkland, 1981); 15.35–18.7 (S. d. gaspensis; Kirkland, 1981); 18.4–19.2 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Tiny |
| Tine_position | At or just below the upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3≥U4 |
| Postmandibular_canal | Absent |
| Skull_shape | Rostrum shallow; braincase bulbous; posterior border of the infraorbital foramen behind the space between the M1 and M2; mental foramen level with the space between p4 and m1 |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | indistinctly |
| Paired_toe_pads |
| Species | Sorex eximius |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 13.0–15.8 (Hall & Kelson, 1959); 15.0–16.2 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Slightly curved |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Large and long |
| Tine_position | Well below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3 and U5 are tiny and vestigial |
| Postmandibular_canal | Absent |
| Skull_shape | Skull relatively flat; braincase slightly rounded |
| Dental_formula | |
| Dental_characters | U3 and U5 are barely or not at all visible in side view, but may be seen in occlusal view |
| Other_characters | |
| Tail_bicolored | indistinctly |
| Paired_toe_pads |
| Species | Sorex fontinalis |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 14.63–15.85 (Kirkland & Levengood, 1987); 14.6–15.2 (Junge & Hoffman, 1981) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Small |
| Tine_position | Just below the upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3≥U4 |
| Postmandibular_canal | Absent |
| Skull_shape | Skull relatively flat |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | |
| Paired_toe_pads |
| Species | Sorex fumeus |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 17.4–18.5 (Owen, 1984) |
| Shape_medial_edge_incisors | Strongly curved and diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Small |
| Tine_position | Just below the upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3>U4 |
| Postmandibular_canal | Absent; occasionally present on one side |
| Skull_shape | Braincase flattened, sometimes extremely; posterior border of the infraorbital foramen ahead of the space between the M1 and M2; mental foramen approximately level with the protoconid of m1 |
| Dental_formula | i 3/1, c 1/1, p 3/1, m 3/3, total = 32 |
| Dental_characters | Width of unicuspids exceeds length |
| Other_characters | |
| Tail_bicolored | distinctly |
| Paired_toe_pads |
| Species | Sorex haydeni |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 14.2–15.1 (n=10; van Zyll de Jong, 1976); 15.0–16.1 (French, 1980); 14.1–15.9 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | |
| Tine_position | |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3≥U4 |
| Postmandibular_canal | Absent |
| Skull_shape | |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | indistinctly |
| Paired_toe_pads |
| Species | Sorex hoyi |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 13.0–15.8 (Hall & Kelson, 1959); 14.3–15.0 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Slightly curved |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Large and long |
| Tine_position | Well below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3 and U5 are tiny and vestigial |
| Postmandibular_canal | Absent |
| Skull_shape | Braincase is rounded |
| Dental_formula | 3/1, 1/1, 3/1, 3/3, total = 32 |
| Dental_characters | U3 and U5 are barely or not at all visible in side view, but may be seen in occlusal view |
| Other_characters | |
| Tail_bicolored | indistinctly |
| Paired_toe_pads |
| Species | Sorex jacksoni |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 15.6–16.3 (Hall & Kelson, 1959) |
| Shape_medial_edge_incisors | |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | |
| Tine_position | |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3≥U4 |
| Postmandibular_canal | Absent |
| Skull_shape | |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | |
| Paired_toe_pads |
| Species | Sorex longirostris |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 13.8–15.6, except S. l. fisheri 15.4–16.4 (French, 1980) |
| Shape_medial_edge_incisors | Strongly diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Small |
| Tine_position | At or just below pigment line |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4; U3 and U4 sometimes subequal |
| Postmandibular_canal | Absent |
| Skull_shape | Braincase is rounded |
| Dental_formula | i 3/1, c 1/1, p 3/1, m 3/3, total = 32 |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | indistinctly |
| Paired_toe_pads |
| Species | Sorex lyelli |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 15.2–15.4 (Hall & Kelson, 1959) |
| Shape_medial_edge_incisors | |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | |
| Tine_position | |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3≥U4 |
| Postmandibular_canal | Absent |
| Skull_shape | |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | |
| Paired_toe_pads |
| Species | Sorex merriami |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 15.7–17.1 (Armstrong & Jones, 1971), 16–18 (Armstrong, 2010); 15.1–16.9 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Converging |
| Position_upper_incisors | |
| Tines_upper_incisors | No |
| Tine_size | |
| Tine_position | |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3>U4; U2 is largest |
| Postmandibular_canal | Present |
| Skull_shape | Braincase relatively flat |
| Dental_formula | |
| Dental_characters | Tips of upper incisors are close together since teeth converge distally |
| Other_characters | |
| Tail_bicolored | distinctly |
| Paired_toe_pads |
| Species | Sorex minutissimus |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 12.0–14.3 (Yudin, 1971) |
| Shape_medial_edge_incisors | |
| Position_upper_incisors | |
| Tines_upper_incisors | |
| Tine_size | |
| Tine_position | |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3>U4 |
| Postmandibular_canal | Present |
| Skull_shape | |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | |
| Paired_toe_pads |
| Species | Sorex monticolus |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 16.1–17.7 (Hennings & Hoffman, 1977); 16.1–19.2 (Junge & Hoffman, 1981) ; 16.2–16.7 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Small-medium |
| Tine_position | Below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Absent |
| Skull_shape | Braincase is rounded |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | somewhat so |
| Paired_toe_pads |
| Species | Sorex nanus |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 13.8–14.8 (Hoffman & Owen, 1980) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Medium |
| Tine_position | Below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Absent |
| Skull_shape | Braincase narrow and appears flattened when viewed from the side |
| Dental_formula | |
| Dental_characters | A diagnostic dental measurement is the distance from the posterior border of the alveolus of the fifth unicuspid to the anterior margin of the alveolus of the incisor ranges between 1.8 and 2.4 mm. |
| Other_characters | |
| Tail_bicolored | indistinctly |
| Paired_toe_pads |
| Species | Sorex navigator |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 19.1–21.7 (Beneski & Stinson, 1987); up to 22 (Armstrong, 2010) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes; although lacking in some individuals |
| Tine_size | Tiny |
| Tine_position | Well below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4; U2>U1 |
| Postmandibular_canal | Absent |
| Skull_shape | |
| Dental_formula | |
| Dental_characters | |
| Other_characters | Fringe of stiff whitish hairs on the sides of its hind feet. |
| Tail_bicolored | distinctly |
| Paired_toe_pads | five paired pads on digits 3 and 4 |
| Species | Sorex obscurus |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 16.1–17.7 (Hennings & Hoffman, 1977); 16.1–19.2 (Junge & Hoffman, 1981) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Small-medium |
| Tine_position | Below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Absent |
| Skull_shape | Skull somewhat slightly flattened |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | somewhat so |
| Paired_toe_pads |
| Species | Sorex ornatus |
|---|---|
| Summer_dorsum_color | drab brownish |
| Summer_venter_color | paler than dorsum; grayish to buffy brown |
| Winter_dorsum_color | similar to summer but slightly darker sorsally and lighter ventrally |
| Condylobasal_length | 14.7–17.1 (Owen & Hoffman, 1983); 15.6–17.1 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Medium |
| Tine_position | Below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Absent |
| Skull_shape | Relatively flat and broad and depressed interorbitally |
| Dental_formula | |
| Dental_characters | Upper toothrow not crowded, with distinct triangular space between postero-medial edge of the fifth unicuspid and antero-medial edge of premolar; tips of upper incisors are more widely separated partly because of tines |
| Other_characters | |
| Tail_bicolored | indistinctly |
| Paired_toe_pads |
| Species | Sorex pacificus |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 19.0–22.8 (Junge & Hoffman, 1981); 21.4–23.0 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Slightly diverging (based on illustration in Carraway, 1985) |
| Position_upper_incisors | |
| Tines_upper_incisors | No; but may have a median ridge |
| Tine_size | |
| Tine_position | |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Absent |
| Skull_shape | |
| Dental_formula | |
| Dental_characters | In ventral view, the unicuspids are wider than long |
| Other_characters | |
| Tail_bicolored | indistinctly |
| Paired_toe_pads |
| Species | Sorex palustris |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 19.1–21.7 (Beneski & Stinson, 1987) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Small |
| Tine_position | Below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Absent |
| Skull_shape | Rostrum straight or downcurved only slightly; braincase broad and flattened |
| Dental_formula | |
| Dental_characters | |
| Other_characters | Fringe of stiff whitish hairs on the sides of its hind feet. |
| Tail_bicolored | distinctly |
| Paired_toe_pads | five paired pads on digits 3 and 4 |
| Species | Sorex preblei |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 13.8–14.6 (Hoffman et al., 1969); less than or equal to 14.8 (Carraway, 1998); 13.8–15.1 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Long~~acutely pointed |
| Tine_position | Below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3>U4; U1–U4 are in an almost graduated series |
| Postmandibular_canal | Absent |
| Skull_shape | Skull relatively flat |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | distinctly |
| Paired_toe_pads |
| Species | Sorex pribilofensis |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 15.4–16.0 (Hall & Kelson, 1959) |
| Shape_medial_edge_incisors | |
| Position_upper_incisors | |
| Tines_upper_incisors | |
| Tine_size | |
| Tine_position | |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3>U4 |
| Postmandibular_canal | Absent |
| Skull_shape | |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | |
| Paired_toe_pads |
| Species | Sorex rohweri |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 14.7–16.6 (Woodman & Fisher 2016) |
| Shape_medial_edge_incisors | Diverging; slightly curved |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Tiny |
| Tine_position | At or above the upper pigment edge |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Present |
| Skull_shape | |
| Dental_formula | |
| Dental_characters | Tines are are weak and often difficult to discern; pigmentation is pale or lacking (Woodman & Fisher, 2016) |
| Other_characters | |
| Tail_bicolored | distinctly |
| Paired_toe_pads | five paired toe pads on the 3rd 4th digits of the HF |
| Species | Sorex sonomae |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | S. s. sonomae: 19.34–23.22 (Carraway, 1989); S. s. tenelliodus: 16.5–20.21 (Carraway, 1989) |
| Shape_medial_edge_incisors | Parallel |
| Position_upper_incisors | |
| Tines_upper_incisors | No |
| Tine_size | |
| Tine_position | |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4; U5 usually rectangular |
| Postmandibular_canal | Absent |
| Skull_shape | Braincase is rounded |
| Dental_formula | |
| Dental_characters | Unicuspids appear somewhat bulbous; fifth unicuspid is usually rectangular and is separated from the fourth premolar by a gap (Verts & Carrawy, 1998) |
| Other_characters | |
| Tail_bicolored | indistinctly |
| Paired_toe_pads |
| Species | Sorex tenellus |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 14.5–15.3 (Hoffman & Owen, 1980) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Tiny |
| Tine_position | Below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Absent |
| Skull_shape | Braincase is slightly rounded (based on images) |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | |
| Paired_toe_pads |
| Species | Sorex trowbridgii |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 16.8–18.8 (see George, 1989 for citations); 16.8–17.5 (Álvarez-Castañeda, 2024) |
| Shape_medial_edge_incisors | Diverging and curved |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Small-medium |
| Tine_position | Below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Present |
| Skull_shape | Braincase is rounded |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | distinctly |
| Paired_toe_pads |
| Species | Sorex tundrensis |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 17.0–18.5 (Junge & Hoffman, 1981) |
| Shape_medial_edge_incisors | Parallel or slightly diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Medium |
| Tine_position | Well below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3>U4 |
| Postmandibular_canal | Present |
| Skull_shape | Braincase is slightly rounded |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | indistinctly? |
| Paired_toe_pads |
| Species | Sorex ugyunak |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 13.7–15.2 (Northwest Territories; van Zyll de Jong, 1976); 14.78 (n=26; van Zyll de Jong, 1976); 15.1–16.0 (northern Alaska; Bee & Hall, 1956; use with caution) |
| Shape_medial_edge_incisors | Slightly diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Medium |
| Tine_position | Below upper limit of pigment on upper incisors |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3≥U4 |
| Postmandibular_canal | Absent |
| Skull_shape | Braincase is rounded |
| Dental_formula | |
| Dental_characters | Tips of upper incisors are more widely separated partly because of tines |
| Other_characters | |
| Tail_bicolored | distinctly |
| Paired_toe_pads |
| Species | Sorex vagrans |
|---|---|
| Summer_dorsum_color | |
| Summer_venter_color | |
| Winter_dorsum_color | |
| Condylobasal_length | 15.5–17.5 (Gillihan & Foresman, 2004) |
| Shape_medial_edge_incisors | Diverging |
| Position_upper_incisors | |
| Tines_upper_incisors | Yes |
| Tine_size | Small |
| Tine_position | At or above the upper edge of pigment; commonly there is a white or pale-colored area between the tine and body of the tooth |
| Number_unicuspids | 5 |
| Unicuspid_notes | U3<U4 |
| Postmandibular_canal | Absent; occasionally present on one side |
| Skull_shape | Braincase is rounded |
| Dental_formula | |
| Dental_characters | |
| Other_characters | |
| Tail_bicolored | indistinctly |
| Paired_toe_pads | 4 or less paired toe pads on the 3rd 4th digits of the HF |