Ключевые слова: belarus, bif, bifs, birds, black, common, corax, corvine, corvus, coverts, crows, dress, eastern, europe, face, fast, feather, feathering, feathers, ferocious, field, flight, fly, flying, head, heavy, keen, plumage, powerful, predaceous, predacious, predator, predatory, prompt, quick, rapacious, rapid, raptorial, raven, ravenous, ravens, severe, sky, speedy, spreaded, stretched, strong, wild, wings,