Ключевые слова: animal, animal behaviour, anthropogenic impact, bird prey, birdwatching, branch, bright, city birds, city park, clever bird, cluster black birds, comfortable state, concourse, corbie, corvus, corvus cornix, crow, crow predator, crowd, dumb animals, feather, flock of crows, gatherer waste, gray, hooded, hooded crow, hooded crows overnight birds, hoodie, horde, huddle, human companions, humanlevel intelligence, intelligence animal, migration concept, migratory bird, multitude, nature, ornithology, park, public roosting birds, raven, scavenger, smart animals, swarm, synanthropic bird, tree, wildlife, wings, winter,