An online resource based on the award-winning nature guide

Eastern Phoebe

Chestnut-sided Warbler Sitting On Eggs

Different species of birds have different numbers of broods (sets of eggs/young).  Eastern Bluebirds can have up to four broods per breeding season, American Robins up to three and Eastern Phoebes often two.  Chestnut-sided Warblers typically only raise one family in a summer. If weather or predation destroys their first attempt, however, they will re-nest, which is just what the pictured female Chestnut-sided Warbler is doing.

By August, a majority of birds have raised their young, but there are birds that nest late in the season, some naturally (American Goldfinches) and some, such as this Chestnut-sided Warbler, by necessity.  Where birds nest, geographically, affects the number of broods they have. Birds nesting at higher latitudes tend to produce fewer broods per year.  Because it gets colder earlier than further south, there is less time to raise their young.  In warmer regions, birds often raise two or even three broods per year. (Thanks to Dean and Susan Greenberg for photo op.)

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Spring Has Sprung!

4-3-14 e.phoebe2 002There’s no denying the arrival of spring, even when the snow is still up to your knees in the woods, if Eastern Phoebes are back! This member of the flycatcher family is one of our earliest returning and nesting migrants, arriving on its breeding grounds in late March and early April. One might wonder what this insect-eating bird subsists on at this time of year. Wasps, bees, beetles and butterflies are not in great supply. Fortunately, there are some insects around, including stoneflies – aquatic insects, some of which mature and emerge from streams in the winter and early spring. When insects aren’t plentiful (in fall, winter and early spring) phoebes will eat small fruits, but they only make up about 11% of their diet.

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