This Prothonotary Warbler was extremely interested in the hole in the end cap of our bumper.
Although we didn't find any nesting material, the males place small amounts of moss into the nest cavity, building dummy nests, but only the female builds the real nest.
Prothonotary Warbler (Protontaria citrea)
Male displays intensively to the female during courtship by fluffing plumage and spreading wings and tail.
Prothonotary Warbler
He kept hanging around and singing so Mark kept taking pictures of him.
Blue-winged Warbler
White-throated Sparrow
Zebra Swallowtail
Spicebush Swallowtail
Butterflies Puddling (mostly Eastern Tiger Swallowtails)
Males of some butterflies are strongly attracted to damp soil. They are apparently taking in salts and other chemicals from the mud. This is called "puddling".
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