secret bird nest of common blackbird turdus merula with 4 turquoise colored eggs

animal avian bird birding birds birdwatching birth blackbird breeding brood catbirds close closeup clutch common easter egg eggs eurasian fauna forest garden habitat hidden incubating incubation merle merula mottled natural nature nest ornithology outdoors passerine secret speckled thrush thrushes treasure trudus true turdidae turdus turquoise wild wildlife