eared grebe in breeding plumage at bluff lake, colorado

grebe eared podiceps nigricollis red eye bright striking waterfowl breeding plumage feathers portrait golden wisps dark head neck crest chestnut sides thin bill straight colorful lake water nature wildlife swimming floating pond wild bird fowl feather earthy colors green background outdoor habitat environment colorado close birdwatching birding ornithology may beak reflection pattern species breed migratory