Marie Read / Ruby-throated hummingbird (Archilochus colubris) male flies in to feed on nectar from Eastern red columbine flower (Aquilegia canadensis), Freeville, New York, USA, June.
Marie Read / Eastern bluebird (Sialia sialis) male feeding on Winterberries (Ilex verticillata) before flying off, Freeville, New York, USA, January.
Marie Read / Common loon (Gavia immer) adult swimming with a chick resting on its back, Presque Isle County, Michigan, USA, June.
Marie Read / American bittern (Botaurus lentiginosus) calling / booming in a cattail marsh to mark territory, Salt Alkaline Lake, Kidder County, North Dakota, USA, June.
John Waters / Golden plover (Pluvialis apricaria) flock taking off and flying over saltmarsh, Steart Marshes WWT Reserve, Somerset, UK, November.
Lukas Schaefer / Rock ptarmigan (Lagopus muta) close up preening, Val Venosta, Italy, October.
Lukas Schaefer / Alpine ibex (Capra ibex) male walking up a mountain in the snow, Gran Paradiso, Italy, December.
Vishal Jadhav / Exhausted Short-eared owl (Asio flammeus) surrounded by House crow (Corvus splendens) group at dawn, one crow dives down to attack, Maharashtra, India, April.
Vishal Jadhav / Short-eared owl (Asio flammeus) stood surrounded by a group of House crows (Corvus splendens) trying to find weakness by snapping at its feathers, Maharashtra, India, April.
Eric Baccega / Giant panda (Ailuropoda melanoleuca) cub, Yuandudu, aged 8 months, with her mother, Huan Huan, Beauval ZooPark, France, April, 2022. Captive.
Oscar Dewhurst / European robin (Erithacus rubecula) perched on snow-covered branch, Richmond Park, London, UK. January.
Milan Radisics / Female Red fox (Vulpes vulpes) waiting to be fed at the back entrance of a house, Hungary. January.
Jack Dykinga / Yellow-headed blackbird (Xanthocephalus xanthocephalus) murmurations as flock returns to roost at sunset, Whitewater Draw Preserve, Arizona, USA.
Jack Dykinga / Yellow-headed blackbird (Xanthocephalus xanthocephalus) flock flying over reed beds, Whitewater Draw Wildlife Preserve, Arizona, USA.
Doug Perrine / Schooling female Scalloped hammerhead shark (Sphyrna lewini), Big Island, Hawaii, Pacific Ocean.
Vishal Jadhav / Red-breasted flycatcher (Ficedula parva) male hunting flying insects from a rock, Maharashtra, India, February.
Vishal Jadhav / Great hornbill (Buceros bicornis) pair performing courtship feeding ritual, passing berry from beak to beak, then female eats berry, Maharashtra, India, February.
Joel Sartore / Photo Ark / Snow leopard (Panthera uncia) looking up, Miller Park Zoo. Vulnerable. Captive.
Joel Sartore / Photo Ark / Red-crested turaco (Tauraco erythrolophus) looking around and raising crest, Tracy Aviary. Captive.
Joel Sartore / Photo Ark / Himalayan monal pheasant (Lophophorus impejanus) male looking around, Pheasant Heaven. Captive.
Joel Sartore / Photo Ark / Madagascan fish eagle (Haliaeetus vociferoides) flaring its head feathers, Madagascar's Tsimbazaza Botanical and Zoological Park. Captive.
Joel Sartore / Photo Ark / Painted stork (Mycteria leucocephala) snapping towards the camera, Tracy Aviary. Captive.
Joel Sartore / Photo Ark / Two African crowned cranes (Balearica regulorum regulorum) looking around, then one ruffles its feathers, Lincoln Children's Zoo. Captive.
Joel Sartore / Photo Ark / Great green macaw (Ara ambiguus) turning its head and moving tongue, Tracy Aviary. Captive.
Nick Upton / Jackdaw (Corvus monedula) hovering above a nest box it wants to nest in which a Grey squirrel (Sciurus carolinensis) and its mate have occupied, with the squirrel threatening the bird, Wiltshire, UK,...
Vishal Jadhav / Asian green bee-eater (Merops orientalis) hunting insects from perch in the grass, Maharashtra, India, July.
Vishal Jadhav / Indian jackal (Canis aureus indicus) pair howling, Maharashtra, India, September.
Vishal Jadhav / Indian jackal (Canis aureus indicus) female grooming male's head, Maharashtra, India, September.
Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) feeding on pink Eucalyptus blossom, Olinda, Australia, February. Rescued animal in controlled conditions.
Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) feeding on red Eucalyptus blossom, Olinda, Australia, February. Rescued animal in controlled conditions.
Noemie Stroh / Orbicular batfish (Platax orbicularis) schooling into the blue, Shark Reef, Ras Mohamed National park, Red Sea, Egypt, June.
Noemie Stroh / Napoleon wrasse (Cheilinus undulatus) female swimming through soft coral garden, Daedalus, Red Sea, Egypt, August.