Sunda Cuckoo parasitizes the nest of a Mountain Leaf Warbler at Mount Kinabalu, Borneo.

Inversion in Missoula, Montana

Black bear destroys chickadee nest box

Chickadee weighs itself

Birds of Mount Kinabalu, Borneo

Testing my automated Chickadee weighing scale

Leafbird calls - Napenthes canopy tower, Maliau Basin

Fulvous-chested Jungle-Flycatcher - Poring Hot Springs, Sabah, Malaysian Borneo

Bornean Stubtail - Kinabalu National Park, Sabah, Malaysian Borneo

Strange swift behavior @ Maliau Basin

Gray Wolf (Canis lupus) in the Alberta Boreal Forest

Northern Lights in the Alberta boreal forest

Common Nighthawks (Chordeiles minor) in the hand - Alberta

Common Nighthawk (Chordeiles minor) flying - Alberta

Common Nighthawk (Chordeiles minor) territorial "boom" display - Alberta

Red-crested Cotinga (Ampelion rubrocristatus) - Colombia

Cauca Coralsnake (Micrurus multiscutatus) preying on a Caecilian (Caecilia sp.) in Colombia

Western Wood-Pewee (Contopus sordidulus) - Colombia

Choco Toucan (Ramphastos brevis) - Colombia

White-headed Wrens (Campylorhynchus albobrunneus) nest building - Colombia

Blue-black Grassquit (Volatinia jacarina) jumps - Colombia

White-crowned Manakin (Dixiphia pipra) competes with Howler Monkeys - Colombia

Great Curassows (Crax rubra) - Colombia

Mantled Howler Monkeys (Alouatta palliata) - Colombia

Tufted Flycatcher (Mitrephanes phaeocercus) - Colombia

Common Pauraque (Nyctidromus albicollis) - Colombia

Scarlet-rumped Cacique (Cacicus uropygialis) taking a bath - Colombia

Nine-banded Armadillo (Dasypus novemcinctus) - Colombia

Chestnut-eared Aracari, Lineated Woodpecker, and Hoatzin - Colombia

Yellow-browed Sparrow (Ammodramus aurifrons) - Colombia