Last week I gave you this mystery sound and skull to identify, with a the additional challenge of asking whether they belong to the same species:
As it turns out several of you managed to get the bird in question. The wide variation and complexity of the song suggested a passerine bird, with a high degree of control of its syrinx. In fact, this species is named for its ability to produce loud and intricate calls containing a range of phrases (incidentally including mimicry of noises it has heard) – it’s a Song Thrush Turdus philomelos Brehm, 1831.
Song Thrush singing a song in a tree. By Taco Meeuwsen 2006