Hank the Croc Died

A 47-year old, 2000 pound hybrid croc featured at Jungle Island (Florida) died. (News source.)

Superpredator Salamanders

Supersized hybrid tiger salamanders are wiping out the California native species. (News source.)

Salamander Hybridization

A California study of the hybridization between native California tiger salamanders and introduced barred tiger salamanders shows that the hybrids have "remarkable vigor." The researchers predict that eventually all California tiger salamanders will have some barred ancestry, which raises issues for conservationists. (News source.)