The diamondback terrapin has large webbed feet. Currently, western diamondback rattlesnakes are not threatened or endangered. The noise belongs to Rattlesnake Jake, the Western diamondback rattlesnake from the first movie. Rattlesnakes, including the eastern diamondback, are ovoviviparous. Maximum reported lengths for the eastern diamondback rattlesnake are and . Many human activities threaten the safety of diamondback terrapins. The Diamondback Terrapin Working Group deal with regional protection issues. Sidewinder was knocked out by "Diamondback". Derby Cycle acquired Diamondback Bicycles in 1999. Paladin accompanied Captain America in his search for Diamondback, the Asp, and Black Mamba. Following Cottonmouth's death, he went to work for Diamondback and Mariah Dillard. Diamondback moths are also resistant to pyrethroids. Seasonal temperature changes lead to differences in body size of the diamondback moths. Stryker himself has become a Maggia agent known as Diamondback and dies battling Cage. Both Diamondback and Constrictor are part of the invasion of Asgard.