A male kestrel sits on a wooden post with a mouse clutched in his talons and turns his head to chirp in a close-up shot of his backside

falcon tinnunculus wildlife falco wild nature predator bird of prey bird perch avian prey raptor beak fauna falco tinnunculus closeup falconidae ornithology bill brown kestrel european eurasian old world common kestrel mouse mice eating dinner animal hunter perched isolated feeding sitting habitat carnivore field birdwatching talons outdoor mature food male chirping calling tailfeathers wind