Ключевые слова: animal, aviculturist, banded, banding, beak, bill, biometrics, bird banding, bird ringing, bird rings, birdbanding, birdwatching, captured, claw, claw scratch, closeup, control, control of migration, counting, eagle, ecology, feathers, inspecting, laboratory, leg, male, marking, method, migrate, migration, natural, nature, ornithological research, ornithologist, ornithology, plumage, predator, rescue, research, ring, ringed, ringed bird, scientific, species, species protection, wild, wildlife, zoology,