9 Free Photos of Hirundinidae Nests

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Delichon urbicum hirundinidae feeding
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Purple Martins (Progne subis) on nest box. Fern Ridge Reservoir, Oregon, USA.
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Swallow Retured Old Nest under the Roof of Taipei Minsheng Post Office 20150308
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Baby birds like these barn swallows are fledging everywhere it seems, leaving their nests for a new phase of life! Photo by David Ellis/USFWS
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PSM V44 D618 The swallow with an edible bird nest
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