Birds

nest of a tufted titmouse

Tufted Titmouse: Nest and Eggs

The tufted titmouse (Baeolophus bicolor) is a bird of deciduous woodlands in the eastern United States. Many people are familiar with titmice’s loud and stereotypical calls throughout the day, but most don’t know what bird makes them. Titmice are closely related to chickadees and also nest in natural and manmade nesting cavities.  This article is …

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eggs of the Carolina wren

Carolina Wren: Nest and Eggs

Carolina wrens (Thryothorus ludovicianus) are familiar birds not because they are abundant but because they are vocal and have a loud, melodious song. They can be found anywhere there is a patch of vegetation and forage for food in people’s yards, patios, and inside sheds and garages. Coraline wrens usually nest in hanging boots, open …

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tree swallow eggs

Tree Swallow: Nest and Eggs

A lack of nesting sites limited the number of tree swallows (Tachycineta bicolor). When people noticed that they breed successfully in nesting boxes, tree swallows’ small populations in parts of its range tripled in numbers. Tree swallows breeding in nesting boxes are known to raise larger broods than those nesting in abandoned woodpecker cavities and …

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house sparrow egg color and markings

House Sparrow: Nest and Eggs

The house sparrow is one of America’s most ubiquitous birds. Introduced from Europe starting in 1851, this sparrow has expanded widely. House sparrows primarily nest in cavities but are flexible and can nest in anything that resembles an enclosure, dense vines, and trees. They are aggressive and are known to displace native cavity-nesting birds. This article …

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