flock of birds form clusters of organized groups, called flight flocks. increase the odds of survival and safety

winter wind tree tower sunset sunlight streetlight snow sky reflection morning lighting light evening electricity dusk darkness cloud branch flock birds flight flocks spring gliding silhouette water freedom aquatic river migration wings fowl velocity springtime turn crow wilderness environment endless landscape summer autumn effortless move feather beak hunter biology nature background white blue beautiful animal bird wildlife group wild fly outdoor clear red kite kites farm feeding gig rin wales countryside