Great Crested Grebes / Haubentaucher ( Podiceps cristatus ), in aggressive fight, defensing breeding-territories against rivals.

- Image ID: FJK7CD
wonderful-Earth.net / Alamy Stock Photo
Image ID: FJK7CD
Great Crested Grebes / Haubentaucher (Podiceps cristatus) in agressive fight, defensing their breeding-territories against rivals.
Location: Europe, Western Europe, Germany