Night Lizards on Display Soon at San Diego Zoo

ntlizmedA recently recovered endangered species, the island night lizard, has been added to the list of reptile species at the San Diego Zoo. Five night lizards arrived at the Zoo on July 25, 2014, brought by the U.S. Navy to be available for guest viewing. The species was removed from the endangered species list by the U.S. Fish and Wildlife Service on May 1, 2014.

“It is one of the few species that visitors to the Zoo will see that was recovered under the Endangered Species Act, and the only one estimated to occur in the millions on U.S. Navy Lands,” said Dr. Robert Lovich, senior natural resource specialist at Naval Facilities Engineering Command (NAVFAC) SW, Desert Integrated Product Team.

The island night lizard Xantusia riversiana is native to three federally owned Channel Islands (San Clemente, San Nicolas, and Santa Barbara) located off the Southern California coast, and a small islet (Sutil Island) located just southwest of Santa Barbara Island. San Clemente and San Nicolas islands, used by the U.S. Navy as training lands, are also home to several unique and endangered species that the naval command works to preserve.

“San Clemente Island is critical to the Navy’s ability to train and prepare sailors to fight in realistic situations. By adaptively managing wildlife like the island night lizard, we can conduct our mission requirements and remain great stewards of our natural resources. We’re pleased the San Diego Zoo has an opportunity to share this interesting creature with the public,” said Capt. Christopher E. Sund, commanding officer of Naval Base Coronado.

ntliz2The island night lizard was placed on the endangered species list in 1977 because its habitat was threatened by feral goats, pigs and predators that had been introduced to the island. In 1992, the Navy removed the last of the feral goats and pigs from San Clemente Island and has an ongoing program to trap and remove feral cats and rats. In conjunction with these efforts, nonnative species of plants were removed from the island as well, greatly improving the habitat of the night lizards and promoting their recovery.

“Now that the species is recovered, it is important to ensure its ongoing survival by creating a satellite population away from its island home,” said Kim Lovich, curator of reptiles for the San Diego Zoo. “This satellite population provides insurance that the species will survive even in the event of a sudden natural disaster to its island home.”

The lizards will soon be available for viewing at the Zoo’s reptile house.

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