Bird, Vulture, Wood, Blackbird, Cormorant, Waterfowl, alive, animal, Aves, avian, background, bark, beak, beautiful, beauty, bill, biodiversity, biology, bird, birding, birdwatching, common, conservation, cormorant, day, dead, double-crested, ecology, environment, environmental, European, fauna, feathers, horizontal, life, living, natural, nature, omnivore, organism, ornithology, outdoors, outside, scene, science, sky, songbird, starling, tree, vertebrate, warm-blooded, weather, wild, wildlife, wings, zoology, outdoor, achiever, writing, skill, passage, discipline, twenty-four hours, implementation, dissimilarity, direction, life science, improvement, woody plant, aves, feather, heterogeneity, european, means, eater, park, plant, passerine, mouth, difference, nonuniformity, class, orifice, oscine, aquatic bird, diverseness, experience, transformation, person, pelecaniform seabird, situation, seabird, consumer, document
Double-crested cormorants (Phalacrocorax auritus) and European starlings (Sturnus vulgaris) on a dead tree