A Pine Marten (Martes martes) is a northern European mustelid, like an arboreal weasel. A Black Stork (Ciconia nigra) is a big bruiser of a bird. When these two battle, don’t get between them!

Written by Mike
Mike is a leading authority in the field of standardized test preparation, but he's also a traveler who fully expects to see every bird in the world. Besides founding 10,000 Birds in 2003, Mike has also created a number of other entertaining but now extirpated nature blog resources, particularly the Nature Blog Network and I and the Bird.