Perched Grey-capped Greenfinch

Perched Grey-capped Greenfinch, begging-like behavior

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Grey-capped Greenfinch, foraging

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Chinese Grey Shrike

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Grey-streaked Flycatcher

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Grey-faced Buzzard

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Chinese Grey Shrike

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Grey-streaked Flycatcher took flight

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Grey-streaked Flycatcher, then flight

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Grey-streaked Flycatcher, took flight

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Grey-streaked Flycatcher, took flight

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Chinese Grey Shrike perched on a pole

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Grey-faced Buzzard, resting on migration

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Chinese Grey Shrike perched on a pole

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Chinese Grey Shrike perched on a pole and took flight

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Chinese Grey Shrike perched on a pole and took flight

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Rustic Bunting

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Black Kites

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Taiga Flycatcher

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Bohemian Waxwing

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Oriental Cuckoo

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Common Cuckoo

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Western Osprey

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Stejneger's stonechat

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Perched Stejneger's stonechat

Osaka Museum of Natural History

Movie Archives of Animal Behavior