Igor Shpilenok / Red Fox (Vulpes vulpes) female with nest and chicks in mouth. Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Far East, July.

Michel Roggo / Dead Sockeye / Red Salmon (Oncorhynchus nerka) after spawning migration. Adams River, British Columbia, Canada, October.

Tony Wu / Close-up view of Siberian flying squirrel (Pteromys volans orii) finishing eating meal of male catkins from Erman's birch tree (Betula ermanii). Hokkaido, Japan. February.