Tree Swallow bringing material to nest cavity

Female Tree Swallow (Tachycineta bicolor) bringing nesting material back to tree cavity as she builds the nest in spring

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Title: Tree Swallow bringing material to nest cavity
Description: Female Tree Swallow (Tachycineta bicolor) bringing nesting material back to tree cavity as she builds the nest in spring
File name: tree-swallow-female-building-nest-nesting-material_2700.jpg
Captured: 2010-May-05 01:28:25
Owner: Greg Schneider
Dimensions: 533 x 800 px
Tags: tree, female, tree swallow, greg schneider, Tachycineta bicolor, nest, spring, cavity, gschneiderphoto.com, nesting material, grasses