Sentences with phrase «california breeding population»

[10] The California breeding population is now demographically isolated from the population in Baja California.

Not exact matches

They collected DNA samples from 96 females, 131 putative sires and 458 offspring among a population of lizards living in California during the 1992 breeding season, and ran several different rounds of paternity testing.

Researchers determined the whales» current population numbers by comparing photographic shots of humpbacks in their North Pacific feeding grounds (around the Pacific Rim from California to Kamchatka) to images taken of the whales in their southern, tropical breeding areas — some as far as 3000 miles away.

Captive breeding programs have famously saved black - footed ferrets and California condors, whose populations had both dwindled to about 20 animals.

The California condor population fell to an all - time low of 22 individuals in 1982, but captive - breeding and monitoring programmes have brought it back up to nearly 400 birds.

There are fewer than 250 California condors left in the wild, but species populations are increasing thanks in part to captive breeding programs at American zoos.

Breeding populations of feral birds can be found in California, both in Orange County and in the San Gabriel mountains.

California recently enacted a similar proposal, which is also working to end the practice of high - volume commercial breeding, which has led to the mistreatment of animals and increased shelter populations.

California's breeding population probably consists of fewer than 1,500 birds.

The current known breeding range of this population extends from Damon Point, Washington, to Bahia Magdelena, Baja California, Mexico (USDI Fish and Wildlife Service 2006).

The Pacific coast population of the western snowy plover breeds primarily on coastal beaches from southern Washington to southern Baja California, Mexico.

Santa Cruz sheep are an extremely rare breed of domestic sheep that once existed as a feral population on the Santa Cruz Island of the Channel Islands of California.

[1] Other breeding islands include the eight Channel Islands of California and a small population on Mexico's Coronados.

Though a complete population count of elephant seals is not possible because all age classes are not ashore at the same time, the most recent estimate of the California breeding stock was approximately 124,000 individuals.

San Miguel Island is home to one of the largest rookeries in the world for California sea lions with a breeding population of approximately 80,000 animals.

Channel Islands National Park is one of the few locations in southern California that still supports breeding and wintering populations of western snowy plovers.

In addition, the islands are home to the only major breeding population of California brown pelicans in the western U.S.

This species is a rare seabird with a world population of less than 39,000 birds and a very limited breeding distribution, nesting only on the Channel Islands and on islands off the west coast of Baja California, Mexico.

Staggering populations of over 70,000 California sea lions, 5,000 northern fur seals, 50,000 northern elephant seals and 1,100 harbor seals breed and pup on the island each year.

Breeding occurs in California from March to May, with pupping between April and May, depending on local populations.