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July 9, 2011  The endangered Mexican wolf received a much needed boost to its population this April as four pups (two males and two females) were born at the California Wolf Center.  

The Mexican wolf is one of the rarest land mammals in the world, with fewer than 50  in the wild and about 350 in the global population.

The pups have now been given their initial medical examination, microchip, and vaccinations. All of the pups are healthy and in good condition. They have been assigned their official SSP stud book numbers: f1226, f1227, m1228 and m1229. Venturing from their den at just four weeks of age, the pups have been busy exploring their environment. By the fifth week, the pups were weaned and eating meat that the adults had brought to the den. By early winter, the pups will approach adult size.

Since 1997, the California Wolf Center has played an important role in the Mexican Wolf Species Survival Plan (SSP), a bi-national captive breeding program that supports the reintroduction of the highly endangered Mexican gray wolf into the wild. The California Wolf Center participates in the Mexican Wolf Species Survival Plan as a breeding facility, currently hosting sixteen endangered Mexican wolves. The Center is one of the largest institutions hosting Mexican wolves in the world. For more information, see