flock of excited clamorous hoodies on birch

ament animal behaviour birch tree birdwatching bright cattail catkins city birds park clamorous hoodie clever bird cluster black corbie corvus cornix crow predator crowd crows flock dumb animals excited hoody feather gatherer waste gosling gray hooded horde huddle intelligence march madness migratory ornithology raven smart spring springtime swarm synanthropic tiller flowers wildlife