Red-eyed Vireo
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'''Scientific Name:''' Vireo olivaceus | '''Scientific Name:''' Vireo olivaceus | ||
| - | Size: 4.7-5.1 inches (12-13cm) | + | '''Size:''' 4.7-5.1 inches (12-13cm) |
| - | Habitat: North and South America; the breeding habitat is open wooded areas across Canada and the eastern and northwestern United States. These birds migrate to South America, where they spend the winter. The Latin American population occur in virtually any wooded habitat in their range. Most of these are residents, but the populations breeding in the far southern part of this species' range (e.g. most of its range in Argentina, Uruguay, Paraguay and Bolivia) migrate north as far as Central America. | + | '''Habitat:''' North and South America; the breeding habitat is open wooded areas across Canada and the eastern and northwestern United States. These birds migrate to South America, where they spend the winter. The Latin American population occur in virtually any wooded habitat in their range. Most of these are residents, but the populations breeding in the far southern part of this species' range (e.g. most of its range in Argentina, Uruguay, Paraguay and Bolivia) migrate north as far as Central America. |
This vireo is one of the more frequent American passerine vagrants to western Europe, with more than one hundred records, mainly in Ireland and Great Britain. | This vireo is one of the more frequent American passerine vagrants to western Europe, with more than one hundred records, mainly in Ireland and Great Britain. | ||
'''Diet:''' Insects; primarily caterpillars and aphids. Vireos glean insects while moving along branches. It kills larger prey by crushing or beating it against branch and holds food with foot while eating. Occasionally vireos will eat berries, especially before migration. | '''Diet:''' Insects; primarily caterpillars and aphids. Vireos glean insects while moving along branches. It kills larger prey by crushing or beating it against branch and holds food with foot while eating. Occasionally vireos will eat berries, especially before migration. | ||
| - | '''Breeding:''' Immature vireos have brown eyes and yellower underparts then adults. | + | '''Breeding:''' Sexes are alike. Immature vireos have brown eyes and yellower underparts then adults. |
The nest is a cup in a fork of a tree branch and is made of twigs, bark strips, grasses, pine needles, and lichen held together with spider web. The inner lining is comprised of grasses, plant fibers, and hair. Dull white speckled with reddish brown eggs are laid. | The nest is a cup in a fork of a tree branch and is made of twigs, bark strips, grasses, pine needles, and lichen held together with spider web. The inner lining is comprised of grasses, plant fibers, and hair. Dull white speckled with reddish brown eggs are laid. | ||
