Two male adders (Vipera berus) fighting (dancing) for mating rights during the breeding season

- Image ID: KF5DRC
Two male adders (Vipera berus) fighting (dancing) for mating rights during the breeding season Stock Photo
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Two male adders (Vipera berus) fighting (dancing) for mating rights during the breeding season
Gillian Pullinger / Alamy Stock Photo
Image ID: KF5DRC
Location: Decoy Heath, Aldermaston, Berkshire, UK