A Prothonotary Warbler, seen from below, holds a mayfly in his mouth. Is this for a potential mate or its children?
A Prothonotary Warbler, seen from below, holds a mayfly in his mouth. Is this for a potential mate or its children?
Conservation

Prothonotary Warbler Research

When it comes to conservation, knowing is half the battle.
Photo: Richard Covey
Photo: Richard Covey
Conservation

Prothonotary Warbler Research

When it comes to conservation, knowing is half the battle.

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