| The average size for this amazing bird is 5 in. long Wgt.: 10-13g They eat insects and other arthropods, Summer: mostly insects Usually monogamous within a season, female chooses male; three to five eggs per nest with incubation by both parents; incubation 13-15 days and young leave nest 9-11 days after hatching; two successful nests per season possible in south; This is our only vireo with two white wing bars, yellow spectacles and yellowish sides. Upperparts are greenish gray or olive green, and tinged with yellow. The neck is grayish and they are nearly white below, including the throat. The sides and flanks can be startlingly yellow at close range. Males and females look similar, and the adults have a distinctive white iris. The legs are grayish and the bill is shiny black, and it is hooked downward at the tip. Adults and young hop among branches, and their flights are usually short with rapid wingbeats In migration and during the early days in the breeding season, males sing to attract mates, usually while perched high in a tree. It is at this time they are easiest to observe. Males vigorously defend their territories, while females are tolerant of others sharing the same area. Males often use the same territory from year to year, and older males arrive on the breeding grounds before young males. Females wander from territory to territory and eventually choose a mate and then a nest site. The pendulous, cup-like nest is attached to a Y-shaped horizontal branch a few feet off the ground in dense vegetation. Both birds participate in nest-building, incubation and feeding of young. Nests commonly are parasitized by Brown-headed Cowbirds, and vireo offspring usually do not survive. |
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| White-eyed Vireo Vireo griseus |
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ALL THE TIME |
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