common cuckoo - cuculus canorus , summer migrant to europe and asia, winters in africa, brood parasite, grey and brown young bird

animal background beak biology bird birding birdwatching black branch bright canorus chick close colorful colour common cuckoo cuculidae cuculiformes cuculus europe european fauna feathers flight flying gray green grey habitat hiding male migrant nature nobody outdoors parasite perching sit sky space spring summer tree twig watch wild wildlife young