Tag: "cubs" at biology news

Hyena mothers give their cubs a helpful dose of hormones

...sts have discovered that a dominant hyena puts her cubs on the road to success before they are born by pas...e, pregnant females in the pack. Consequently, the cubs of the alpha females were more aggressive and exhibited more sexual play, characteristics that eleva...

Wild tigers need cat food

...rends in the park. Tigers can produce between 3-4 cubs per litter every 2-3 years. Unfortunately, in other parts of the tiger’s range, relentless poaching of the big cats and their prey has caused numbers to plummet. Another WCS study that appeared in a recent issue of the journal Animal Conservation...

Update on census of world's most endangered cat -- Female Amur leopard found dead

... mature, reproductive leopardess and her potential cubs in a senseless killing. This is the third leopard killed within this area over the last five years and underscores the desperate need for a unified protected area with national park status if the leopard is to survive in the wild.? In February and ...

Amur leopard still on the brink of extinction, scientists say

...3-7 females without cubs, 4 females with cubs, 5-6 cubs in all, and 6-8 undefined tracks. Total: 25-34. ...7 females without cubs, 4-5 females with cubs, 4-5 cubs in all, and four undefined. Total: 28-30. In 2000, the results were 4-5 males, 8-9 females withou...

Mice with a migraine show signs of brain damage

...ith a diminished supply. It’s like a pride of lion cubs fighting for their mother’s milk ?a few may get nudged away, go without, and will eventually die. In a brain in the midst of cortical spreading depression, brain cells closest to oxygen-rich blood vessels survive, while cells further away don’t get a...

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