Common Blackbird species of true thrush

common blackbird trudus merula bird songbird passerine avian wildlife nature european bird eurasian bird male female breeding plumage black feathers yellow beak orange eyes territorial aggressive mating season courtship display singing melodic musical vocalization foraging insectivore omnivore ground feeding backyard bird migration wintering birdwatching ornithology biodiversity conservation ecosystem habitat park forest meadow grassland wetland coastal area mountain area natural environment urban backyard