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    • John Chan
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Crenulated fiddler crab (Uca crenulata) waving its major claw at another crab, part of a courtship display, Southern California, USA, June.  -  John Chan
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John Chan / Crenulated fiddler crab (Uca crenulata) waving its major claw at another crab, part of a courtship display, Southern California, USA, June.
Crenulated fiddler crab (Uca crenulata) feeding on detritus, Southern California, USA, June.  -  John Chan
01628654
John Chan / Crenulated fiddler crab (Uca crenulata) feeding on detritus, Southern California, USA, June.
Great horned owl (Bubo virginianus) chick watching for parents to return with food, Southern California, USA, June.  -  John Chan
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John Chan / Great horned owl (Bubo virginianus) chick watching for parents to return with food, Southern California, USA, June.
Great horned owl (Bubo virginianus) chicks stretching and flapping their wings, Southern California, USA, May.  -  John Chan
01628640
John Chan / Great horned owl (Bubo virginianus) chicks stretching and flapping their wings, Southern California, USA, May.
Peregrine falcon (Falco peregrinus) plucking Dowitcher (Limnodromus) prey, Southern California, USA.  -  John Chan
01628593
John Chan / Peregrine falcon (Falco peregrinus) plucking Dowitcher (Limnodromus) prey, Southern California, USA.
Killdeer (Charadrius vociferus) stamping its feet to create vibrations in the sand as it forages for insects, Southern California, USA, August.  -  John Chan
01628580
John Chan / Killdeer (Charadrius vociferus) stamping its feet to create vibrations in the sand as it forages for insects, Southern California, USA, August.
California brown pelicans (Pelecanus occidentalis californicus) roosting on a mudflat, with a flock of Elegant terns (Thalasseus elegans) nearby, Southern California, USA May/2019  -  John Chan
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John Chan / California brown pelicans (Pelecanus occidentalis californicus) roosting on a mudflat, with a flock of Elegant terns (Thalasseus elegans) nearby, Southern California, USA May/2019
Flock of Western sandpipers (Calidris mauri) taking flight from salt marsh, Southern California, USA.  -  John Chan
01628555
John Chan / Flock of Western sandpipers (Calidris mauri) taking flight from salt marsh, Southern California, USA.
American avocet (Recurvirostra americana) foraging in salt marsh, Southern California, USA.  -  John Chan
01628545
John Chan / American avocet (Recurvirostra americana) foraging in salt marsh, Southern California, USA.
California sea lion (Zalophus californianus) feeding on a Striped bass (Morone saxatilis), Southern California, USA.  -  John Chan
01625459
John Chan / California sea lion (Zalophus californianus) feeding on a Striped bass (Morone saxatilis), Southern California, USA.
Two male Southern Pacific rattlesnakes (Crotalus oreganus helleri) fighting during mating season. This behaviour is known as a "combat dance", and is used to determine dominance and the right to mate...  -  John Chan
01625450
John Chan / Two male Southern Pacific rattlesnakes (Crotalus oreganus helleri) fighting during mating season. This behaviour is known as a "combat dance", and is used to determine dominance and the right to mate...
Anna's Hummingbird (Calypte anna) chick, sleeping in nest, Southern California, USA, March.  -  John Chan
01625443
John Chan / Anna's Hummingbird (Calypte anna) chick, sleeping in nest, Southern California, USA, March.
Female Anna's hummingbird (Calypte anna) incubating eggs, departs from nest momentarily to feed, Southern California, USA, March.  -  John Chan
01621465
John Chan / Female Anna's hummingbird (Calypte anna) incubating eggs, departs from nest momentarily to feed, Southern California, USA, March.
Female Anna's hummingbird (Calypte anna) incubating eggs, departs from nest momentarily to feed, Southern California, USA, March.  -  John Chan
01621463
John Chan / Female Anna's hummingbird (Calypte anna) incubating eggs, departs from nest momentarily to feed, Southern California, USA, March.
Male Anna's hummingbird (Calypte anna) cleaning its beak on a twig, Southern California, USA, January.  -  John Chan
01621456
John Chan / Male Anna's hummingbird (Calypte anna) cleaning its beak on a twig, Southern California, USA, January.
Western gull (Larus occidentalis) feeding on a California two-spot octopus (Octopus bimaculoides) on a mudflat at low tide, Southern California, USA, November.  -  John Chan
01621266
John Chan / Western gull (Larus occidentalis) feeding on a California two-spot octopus (Octopus bimaculoides) on a mudflat at low tide, Southern California, USA, November.
Great blue heron (Ardea herodias) predating a Smelt (Osmeridae), Southern California, USA, October.  -  John Chan
01621265
John Chan / Great blue heron (Ardea herodias) predating a Smelt (Osmeridae), Southern California, USA, October.
Juvenile Yellow-crowned night heron (Nyctanassa violacea)predating a twig, learning stalking and hunting skills, Southern California, USA, July.  -  John Chan
01621262
John Chan / Juvenile Yellow-crowned night heron (Nyctanassa violacea)predating a twig, learning stalking and hunting skills, Southern California, USA, July.
Juvenile Great blue heron (Ardea herodias) predating a twig , learning stalking and hunting skills, Southern California, USA, July.  -  John Chan
01621257
John Chan / Juvenile Great blue heron (Ardea herodias) predating a twig , learning stalking and hunting skills, Southern California, USA, July.
Great blue heron (Ardea herodias) chick begging to be fed, Southern California, USA, April.  -  John Chan
01621255
John Chan / Great blue heron (Ardea herodias) chick begging to be fed, Southern California, USA, April.
Juvenile California least tern (Sternula antillarum browni) begging for food from a decoy, used to attract breeding pairs to deserted nest sites, Huntington Beach, California, USA, June.  -  John Chan
01620463
John Chan / Juvenile California least tern (Sternula antillarum browni) begging for food from a decoy, used to attract breeding pairs to deserted nest sites, Huntington Beach, California, USA, June.
California least tern chick (Sternula antillarum browni) falling over as it runs towards its parent returning to nest site, Huntington Beach, California, USA, June.  -  John Chan
01620460
John Chan / California least tern chick (Sternula antillarum browni) falling over as it runs towards its parent returning to nest site, Huntington Beach, California, USA, June.
Male California least tern (Sternula antillarum browni) presenting fish offering to female during mating, Huntington Beach, California, USA, May.  -  John Chan
01620453
John Chan / Male California least tern (Sternula antillarum browni) presenting fish offering to female during mating, Huntington Beach, California, USA, May.
Elegant terns (Thalasseus elegans) courting, Southern California, USA, March.  -  John Chan
01620445
John Chan / Elegant terns (Thalasseus elegans) courting, Southern California, USA, March.
Elegant tern (Thalasseus elegans) with a broken wing, attempting to take off, Southern California, USA, April.  -  John Chan
01620444
John Chan / Elegant tern (Thalasseus elegans) with a broken wing, attempting to take off, Southern California, USA, April.
Western gulls (Larus occidentalis) attacking an Elegant tern (Thalasseus elegans) with a broken wing, Southern California, USA, April.  -  John Chan
01620442
John Chan / Western gulls (Larus occidentalis) attacking an Elegant tern (Thalasseus elegans) with a broken wing, Southern California, USA, April.
Black skimmer (Rynchops niger) skimming water surface / feeding, Southern California, USA, July.  -  John Chan
01620264
John Chan / Black skimmer (Rynchops niger) skimming water surface / feeding, Southern California, USA, July.
Osprey (Pandion haliaetus) feeding on a fish, perched on a dead branch, Bolsa Chica Ecological Reserve, California, USA, October.  -  John Chan
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John Chan / Osprey (Pandion haliaetus) feeding on a fish, perched on a dead branch, Bolsa Chica Ecological Reserve, California, USA, October.
Honey bees (Apis mellifera) swarming on a fence, Southern California, USA, December.  -  John Chan
01608268
John Chan / Honey bees (Apis mellifera) swarming on a fence, Southern California, USA, December.
Honey bees (Apis mellifera) gathering at the entrance of their nest in a hollow log, with some returning workers carrying pollen baskets, Bolsa Chica Ecological Reserve, California, USA, October.  -  John Chan
01608265
John Chan / Honey bees (Apis mellifera) gathering at the entrance of their nest in a hollow log, with some returning workers carrying pollen baskets, Bolsa Chica Ecological Reserve, California, USA, October.
Honey bees (Apis mellifera) gathering at the entrance to their nest in a hollowed log, Bolsa Chica Ecological Reserve, California, USA, September.  -  John Chan
01608261
John Chan / Honey bees (Apis mellifera) gathering at the entrance to their nest in a hollowed log, Bolsa Chica Ecological Reserve, California, USA, September.
Male California Least Tern (Sternula antillarum browni) courting a female, presenting a fish before chasing off another male, Huntington Beach, California, USA, May.  -  John Chan
01608257
John Chan / Male California Least Tern (Sternula antillarum browni) courting a female, presenting a fish before chasing off another male, Huntington Beach, California, USA, May.
Honey bee (Apis mellifera) gathering pollen from a Sea fig (Carpobrotus chilensis), Southern California, USA, April.  -  John Chan
01608256
John Chan / Honey bee (Apis mellifera) gathering pollen from a Sea fig (Carpobrotus chilensis), Southern California, USA, April.
Honey bees (Apis mellifera) swarming on an old gas tank and establishing a new nest site within, with some individuals beating their wings to create air circulation, Southern California, USA, February...  -  John Chan
01608249
John Chan / Honey bees (Apis mellifera) swarming on an old gas tank and establishing a new nest site within, with some individuals beating their wings to create air circulation, Southern California, USA, February...
Calliope hummingbird (Stellula calliope) chasing insects before returning to its perch, Southern California, USA, April.  -  John Chan
01677128
John Chan / Calliope hummingbird (Stellula calliope) chasing insects before returning to its perch, Southern California, USA, April.
Monarch butterfly (Danaus plexippus) taking flight from a Pride of madeira (Echium candicans) after contact with a Honey bee (Apis mellifera), Southern California, USA, April.  -  John Chan
01677127
John Chan / Monarch butterfly (Danaus plexippus) taking flight from a Pride of madeira (Echium candicans) after contact with a Honey bee (Apis mellifera), Southern California, USA, April.
Calliope hummingbird (Stellula calliope) stretching and takes flight, Southern California, USA, April.  -  John Chan
01677126
John Chan / Calliope hummingbird (Stellula calliope) stretching and takes flight, Southern California, USA, April.
Calliope hummingbird (Stellula calliope) perched, resting and scratching its head, Southern California, USA, April.  -  John Chan
01677125
John Chan / Calliope hummingbird (Stellula calliope) perched, resting and scratching its head, Southern California, USA, April.
Calliope hummingbird (Stellula calliope) extending its tongue after feeding, Southern California, USA, April.  -  John Chan
01677124
John Chan / Calliope hummingbird (Stellula calliope) extending its tongue after feeding, Southern California, USA, April.
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...  -  John Chan
01677123
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...
Monarch butterfly (Danaus plexippus) feeding from a Pride of Madeira (Echium candicans), Southern California, USA, April.  -  John Chan
01677122
John Chan / Monarch butterfly (Danaus plexippus) feeding from a Pride of Madeira (Echium candicans), Southern California, USA, April.
Calliope hummingbird (Stellula calliope) perched strecthing wings, Southern California, USA, April.  -  John Chan
01677121
John Chan / Calliope hummingbird (Stellula calliope) perched strecthing wings, Southern California, USA, April.
Calliope hummingbird (Stellula calliope) watching from its perch, Southern California, USA, April.  -  John Chan
01677120
John Chan / Calliope hummingbird (Stellula calliope) watching from its perch, Southern California, USA, April.
Elegant terns (Thalasseus elegans) gathering at mussel bed during breeding season, one hovering tern has a mussel clamped to its foot, a common mishap caused by stepping on an open mussel, Bolsa Chica...  -  John Chan
01677119
John Chan / Elegant terns (Thalasseus elegans) gathering at mussel bed during breeding season, one hovering tern has a mussel clamped to its foot, a common mishap caused by stepping on an open mussel, Bolsa Chica...
Juvenile Bald eagle (Haliaeetus leucocephalus) takes flight, Southern California, USA, April.  -  John Chan
01677118
John Chan / Juvenile Bald eagle (Haliaeetus leucocephalus) takes flight, Southern California, USA, April.
Calliope hummingbird (Stellula calliope) watching other birds from perch before flying away, Southern California, USA, April.  -  John Chan
01677117
John Chan / Calliope hummingbird (Stellula calliope) watching other birds from perch before flying away, Southern California, USA, April.
Juvenile Bald eagle (Haliaeetus leucocephalus) stretching its wings, Southern California, USA, April.  -  John Chan
01677116
John Chan / Juvenile Bald eagle (Haliaeetus leucocephalus) stretching its wings, Southern California, USA, April.
Juvenile Bald eagle (Haliaeetus leucocephalus) perched on a branch preening before scratching its head with talons, Southern California, USA, April.  -  John Chan
01677115
John Chan / Juvenile Bald eagle (Haliaeetus leucocephalus) perched on a branch preening before scratching its head with talons, Southern California, USA, April.
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