Wilson's warbler |
Wilsonia pusilla |
Description: 4 1/2-5" Adult male olive green above and yellow below, with black crown patch, most females and all young birds lack black crown, and may be distinguished from other olive green warblers with yellow underpats by lack of wing bars, tail-spots or other markings | Habitat: . Moist woodland edges, willow thickets, spruce-tamarack bogs, alders or birches near streams and ponds, tangles near water. More numerous in the west. |
Nesting: 4-5brown-spotted white eggs in a bulky mass of leaves, rootlets and moss, lined with hair and fine plant material concealed on the ground in dense clump of weeds | Range: breeds from Alaska east across Canada and California, winters in tropics |
Voice: a rapid staccato series of chirps, which drop in pitch at the end | Diet:
insects and occasionally berries |
Notes: Very active little bird, twitches tail and flicks wings usually seen within 10 feet of the ground, can be bold |
When present in Oklahoma: present in state only during migration |