Tag: "herd" at biology news

Scientists journey to southern Africa to unravel the secret world of elephant communication

...nas. When a predator appears, older members of the herd emit intense warning calls that prompt the rest of the herd to clump together for protection and then flee the scene. In 1994, O'Connell-Rodwell recorded the d...

WWF peeks into mysterious life of Borneo's pygmy elephants

...t crop for Malaysia. „X Each elephant belongs to a herd of 30-50 elephants but often splits off into smaller groups for days or weeks at a time. The home ranges of Nancy and Taliwas, who were collared in nearby forests, overlap, suggesting that the two elephants' groups may be related. Since elephants liv...

Widespread elephant slaughter discovered in Chad

... loss of elephants or the possibility that a large herd was missed in the second count. The latest survey, partly funded by National Geographic, was commissioned to assess the level of poaching during the wet season, when the elephants wander outside park limits to forage and are vulnerable to attack. El...

Renewed dolphin slaughter prompts new campaign

...overnment and conducted by groups of fishermen who herd hundreds, sometimes thousands, of dolphins and small cetaceans into shallow bays by banging on partially submerged rods that create a sonic barrier. The dolphins are then corralled into nets and dispatched in a brutal manner: speared, hooked, hoisted...

NASA snow data helps maintain nation's largest, oldest bison herd

...are helping track the remnants of this once mighty herd in Yellowstone National Park as they migrate with ...ting snowpack. The Yellowstone bison are the only herd in lower North America to survive since prehistoric times. Hunting and later poaching dwindled their...

Remote sheep population resists genetic drift

A whimsical attempt to establish a herd of mouflon for sport hunting on a remote island in... their less genetically diverse cousins. "This herd certainly challenges our understanding of genetic drift," he said. "And I think it shows us the powe...

Horse genome assembled

...nary Medicine, at Cornell University, with a small herd of horses that have been selected and bred for more than 25 years to study the mechanisms that prevent maternal immunological recognition and destruction of the developing fetus during mammalian pregnancy. The research, conducted by Cornell professor...

The penalty of having a sister -- why sibling sex matters for male saiga antelopes

... whereby females come together in a densely packed herd to all give birth within a week. This makes it relatively easy to monitor the reproductive state of the population. Such monitoring has become vital since saiga have seen a dramatic decline in numbers of over 95% in recent years, making them one of ...

Skimmed milk -- Straight from the cow

...the genes required to do this and say a commercial herd is likely by 2011. The milk is very low in saturat...d the range of milk compositions across the entire herd of 4m New Zealand cattle. New Zealand dairy firm Fonterra has already made milk products from Marge’...

1