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Tag: "endangered" at biology news

Costly breeding programs for endangered species pay off

...aximum genetic variability in small populations of endangered species. Worldwide, zoos spend millions of dollar...owed her to simulate several years of breeding for endangered species that breed only once or twice per year. In order to simulate small populations of rare anim...

Israeli scientists successfully transplant frozen-thawed ovaries in sheep

... froze the ovary of the Gazelle gazelle acaiae, an endangered sub-specie of the Gazelle gazelle, so that it can be transplanted in the future into an immune-suppressed surrogate. ...

DNA from feathers tells tale of eagle fidelity

...ervation biologists monitor populations of rare or endangered species. Noninvasive sampling allows biologists to...d of monitoring is essential to conserving rare or endangered species, said Todd Katzner, director of conservation and field research at the National Aviary in Pi...

Time and money make a difference in endangered species recovery

... of the Endangered Species Act in 1973, over 1,300 endangered species have been protected in the United States a...cology Letters, Male & Bean assess 14 years of endangered plant and animal status trends and show that the length of time species are protected, and the amoun...

Traditional models underestimate extinction rates

...lation dynamics and extinction risk of potentially endangered species has never been greater. In a new study, Jo...ry programs for at-risk populations. As threats to endangered species continue to mount, biologists will need ever more robust methods to estimate extinction risk...

Squeezing out dune plants

...urricanes. They also provide critical habitat for endangered animals such as the Kemp's ridley sea turtle (Lepidochelys kempii). According to the scientists, in a low sea-rise scenario, plant communities fully developed over five years, but in cases of moderate and high sea level rise, plant communities were ...

Research suggests fitness of Florida panthers improved by limited breeding with Texas animals

...eeding effort to improve the genetic health of the endangered and inbred animals, according to a new assessment....ould not be given permits to clear areas where the endangered species has not been seen before. "Our results support his contention that the panther is a general...

Proposal would allow wild animals to roam North America

...re strong interactions with pronghorns and provide endangered cheetahs with new habitat. Other living species t...dy will test the rewilding notion by releasing the endangered Bolson tortoise on a private ranch in New Mexico. The tortoise, which can weigh up to 100 pounds and...

Team of international scientists departs today to discover the unknown in China's Himalayan region

...s non-profit conservation organizations focused on endangered animals and their habitats. The fund will specifically be involved in this expedition to work with local eastern Himalayan scientists and students to identify as many specimens as possible. ...

Scientists to mimic nature for newest cancer drugs

...protections since 1935, it remains one of the most endangered whales in the world after 1000 years of whaling brought it close to extinction in the early 20th century. Data compiled by Nowacek and his co-principal investigators documents an unprecedented eight whale deaths during the past 16 months -- almost t...

FSU scientist warns North Atlantic right whale facing extinction

...protections since 1935, it remains one of the most endangered whales in the world after 1000 years of whaling brought it close to extinction in the early 20th century. Data compiled by Nowacek and his co-principal investigators documents an unprecedented eight whale deaths during the past 16 months -- almost t...

Primates on the brink

...he highest priorities for the survival of the most endangered primates: Indo-Burma, Madagascar and the Indian Oc...m 2002 reflect a desire to draw attention to other endangered primates. For example, Miss Waldron's red colobus, which has gone decades without a live sighting, w...

Radio-tracking associated with 'dramatic shift' in water vole sex ratio

...voles. The water vole (Arvicola terrestris) is an endangered species in the UK, and ecologists Dr Tom Moorhouse and Professor David Macdonald of Oxford University's Wildlife Conservation Research Unit had been monitoring the size of two populations - one in Norfolk and one Wiltshire - when they noticed a 48% d...

A New Species of Monkey is Discovered in Tanzania: The First in Africa for More Than 20 Years

...which is focused on conservation of the critically endangered Sanje mangabey endemic to these mountains. First sighted by Richard Laizzer and observed by research biologist Trevor Jones, while working as field assistants for the project, the monkey was then identified as a new species by Ehardt and by Dr. Tom ...

Habitat use by North Pacific right whales, Eubalaena japonica, in the Bering Sea and Gulf of Alaska

...er in Alaska waters, is one of the most critically endangered whale populations in the world. Commercial whaling in the 1800s has now left us with only a few dozens. Recently these whales have been recognized as a different species from right whales seen in the North Atlantic and others in the Southern Hemisphe...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...los, capybara, the Brazilian tapir and jaguar, and endangered species like the howler and capuchin monkeys, caiman, and giant black eagle.) Moreover, several large transportation infrastructure projects, including a railway and three waterway or Hidrovia projects (one of them in the Pantanal itself), have been...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

...ational Wildlife Refuge. While working to save the endangered Aleutian Canada goose, which the foxes were driving toward extinction, Byrd had noticed the differences between islands with and without foxes and speculated that nutrients might play a role. "He had these interesting ideas about foxes and birds and...

Study Links Ebola Outbreaks To Animal Carcasses

...ortunity by using this information to both protect endangered apes from illegal hunting and to protect humans from deadly outbreaks." The paper provides definitive proof for the assumption that Ebola moves from wildlife populations to humans through the consumption or handling of carcasses or bushmeat. Specif...

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