Male sabertoothed cats were pussycats compared to macho lions
Despite their fearsome fangs, male sabertoothed cats may have been less aggressive than many of their feline cousins, says a new study of male-female size differences in extinct big cats.
Frog embryos associate the smell of predators with danger
Speedy tiger beetles use antennae to 'see' while running
(Phys.org) —Speed is blinding. Just ask the tiger beetle, the fastest insect its size. Though predatory tiger beetles have excellent sight, when they chase prey, they run so fast they can no longer see ...
Two million years ago, human relative 'Nutcracker Man' lived on tiger nuts
An Oxford University study has concluded that our ancient ancestors who lived in East Africa between 2.4 million-1.4 million years ago survived mainly on a diet of tiger nuts. Tiger nuts are edible grass ...
Tiger genome to help big-cat conservation
South Korean scientists said on Tuesday they had carried out the first DNA analysis of the tiger and four other great felines in a project to help critically-endangered cats to survive.
Researchers show that time perception in animals depends on their pace of life
(Phys.org) —An international collaboration led by scientists from Trinity College Dublin including researchers from the University of Edinburgh and the University of St Andrews has shown that animals' ability ...
Field study shows tigers in India follow corridors between groups to maintain gene flow
The evolution of fins to limbs in the land invasion race
Why did animals with limbs win the race to invade land over those with fins? A new study comparing the forces acting on fins of mudskipper fish and on the forelimbs of tiger salamanders can now be used to ...
Giant Australian animals were not wiped out by climate change
(Phys.org) —Researchers have ruled out climate change as the cause of extinction of most of Australia's giant animals, including giant kangaroos, three metre-tall flightless birds and the Tasmanian tiger, ...
Precision and brawn a deadly combination
(Phys.org) —A bizarre, pouched super-predator that terrorised South America millions of years ago had huge sabre-like teeth but its bite was weaker than that of a domestic cat, new research shows.
White tiger mystery solved
White tigers today are only seen in zoos, but they belong in nature, say researchers reporting new evidence about what makes those tigers white. Their spectacular white coats are produced by a single change ...
Tiger, tiger, not burning so bright
(Phys.org) —India's tigers are facing extinction owing to a collapse in the variety of their mating partners, according to new research carried out by scientists at Cardiff University.
Female mosquitoes become savvy about other-species suitors, study finds
(Phys.org)—Talk about meeting Mr. Wrong. Female yellow fever mosquitoes sometimes contend with the courtship and mating efforts of males from another, competing species—the Asian tiger mosquito.
Australia's Tasmanian Tiger killed by man, study says
Australian researchers investigating the extinction of the country's Tasmanian Tiger put the fault solely with humans Thursday, saying they had debunked a long-held theory that disease was to blame.