Cassin's Vireo

Vireo cassinii

Order

PASSERIFORMES

Family

Vireos (Vireonidae)

Code 4

CAVI

Code 6

VIRCAS

ITIS

HEAD

Bill Shape: All-purpose
Eye Color: Brown.
Head Pattern: Eyeline, Plain, Eyering
Crown Color: Olive-gray
Forehead Color: Olive-gray
Nape Color: Olive-gray
Throat Color: White washed with gray.
Cere color: No Data

BODY

Length Range: 10-15 cm (4-6 in)
Weight: 14-17 g (0.5-0.6 oz)
Size: 2. Small (5 - 9 in)
Color Primary: Gray, Olive
Underparts: White washed with gray; olive wash on sides.
Upperparts: Olive-gray
Back Pattern: No Data
Belly Pattern: No Data
Breast Pattern: No Data

FLIGHT

Flight Pattern: Somewhat weak fluttering direct flight on rapidly beating wings. May hover briefly to pick insect or fruit off vegetation.
Wingspan Range: 20-23 cm (8-9 in)
Wing Shape: Pointed-Wings
Tail Shape: Rounded Tail
Tail Pattern: Solid
Upper Tail: Brown-black
Under Tail: White coverts.
Leg Color: Blue-gray

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Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden2.

Field Guide to Birds of North America