Yva Momatiuk & John Eastcott / Sockeye Salmon (Oncorhynchus nerka) group swimming close to surface during spawning run, Adams River, Roderick Haig-Brown Provincial Park, British Columbia, Canada

Winfried Wisniewski / Sandhill Crane (Grus canadensis) pair flying, Bosque del Apache National Wildlife Refuge, New Mexico

Fred Bavendam / Pygmy Sweeper (Parapriacanthus ransonneti) school, Komodo Island, Indonesia

Suzi Eszterhas / Common Dolphin (Delphinus delphis) pair jumping, Baja California, Mexico

Suzi Eszterhas / Common Dolphin (Delphinus delphis) pair jumping, Baja California, Mexico

Donald M. Jones / Canada Goose (Branta canadensis) pair flying, central Montana

Hiroya Minakuchi / Beluga (Delphinapterus leucas) whale trio blowing toroidal bubble rings, play behavior, vulnerable, Shimane Aquarium, Japan

Winfried Wisniewski / Lesser Flamingo (Phoenicopterus minor) pair flying, Lake Nakuru National Park, Kenya

Scott Leslie / Fish group schooling, Bonaire, Caribbean

Flip Nicklin / Cavalla (Caranx sp) school off of Cocos Island, Costa Rica

Fred Bavendam / Striped Catfish (Plotosus lineatus) form amazingly dense schools for protection from predators, Forster-Tuncurry, New South Wales, Australia

Tim Fitzharris / Lesser Flamingo (Phoenicopterus minor) in a mass courtship display, Kenya