The cubs are born during hibernation, while the mother sleeps. If the mother does not gain enough weight to survive through the winter, the embryo does not implant and is reabsorbed into the body
The 6 extant subspecies of Panthera tigris are currently endangered, according to the International Union for Conservation of Nature (IUCN). Threats include poaching and habitat fragmentation
It's a 1000W laser and it doesn't require gas or consumables
It provides "conservation grazing services", whereby goats are used instead of traditional machinery or pesticides in order to curb unwanted invasive plant growth
It was a military operation employing armed soldiers to reduce the number of emus that were destroying crops in Western Australia.
To cope with forces as great as 1,000 g, these birds have developed several adaptations such as a three-layered beak whose anatomy helps absorb mechanical stress
African wild dogs have a higher kill rate than lions and can take down antelope that weigh as much as 225 kilos (500 pounds).
Our German-speaking readers will be happy to know that his 1877 scientific paper is freely available to read online (check our source!)
With mackerel sharks, tunas are the only species able to maintain a body temperature higher than that of the surrounding water... even when it's 43 °F!