John Chan / Double-crested Cormorant (Phalacrocorax auritus) chicks sitting in nest, pestering parent for food before the parent feeds one of the chicks, California, USA, May.
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John Chan / Double-crested cormorants (Phalacrocorax auritus) juveniles roosting at their rookery preening, Orange County, California, USA, May.
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John Chan / Osprey (Pandion haliaetus) ruffling its feathers and flapping its wings to dry off after a dive, Bolsa Chica Ecological Reserve, Orange County, California, USA, May.
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John Chan / Tree Swallows (Tachycineta bicolor) mating, Bolsa Chica Ecological Reserve, Orange County, California, USA, May.
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John Chan / Portrait of a Great Blue Heron (Ardea herodias), Bolsa Chica Ecological Reserve, Orange County, California, USA, May.
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John Chan / Osprey (Pandion haliaetus) ruffling its feathers while feeding on a dead Spotted bass (Paralabrax maculatofasciatus), Bolsa Chica Ecological Reserve, Orange County, California, USA, May.
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John Chan / Brown Pelicans (Pelecanus occidentalis) diving for fish at a tidal basin, Bolsa Chica Ecological Reserve, Orange County, California, USA, May.
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John Chan / Calliope hummingbird (Stellula calliope) chasing insects before returning to its perch, Southern California, USA, April.
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John Chan / Calliope hummingbird (Stellula calliope) stretching and takes flight, Southern California, USA, April.
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John Chan / Calliope hummingbird (Stellula calliope) perched, resting and scratching its head, Southern California, USA, April.
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John Chan / Calliope hummingbird (Stellula calliope) extending its tongue after feeding, Southern California, USA, April.
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John Chan / Elegant terns (Thalasseus elegans) diving and streaking which triggers the flock to take flight in unison, an example of flocking behavior, Bolsa Chica Ecological Reserve, Southern California, USA Mar...
