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side view

We found this skull on a beach in southwestern Sweden, and are curious as to what kind of animal it was.

bottom view

frontal view

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It's definitely a bird pelvis (synsacrum). Based on the size (~30 cm), it came from a very large bird. Unfortunately, comparative images of bird pelves are rare on the internet. Some possibilities (large birds of Sweden possibly found on the coast):

  • Great northern loon
  • Golden eagle
  • Common crane

A loon skeleton (from shown below.

Loon skeleton

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kmm FTW good job – user1357 Jul 31 '14 at 3:37
Thanks for your prompt response - you must be right. We have looked at some alternatives - a cormorant, perhaps, or a goose? – Eirik Jensen Jul 31 '14 at 10:17
The top of the synsacrum in the loon isn't flat enough to be a good match. I know that loons have strange pelves, so that was my best guess. Whatever it is, it was a very large bird. – kmm Jul 31 '14 at 14:34

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