Automatic cameras are linked to a beam-triggering mechanism. This is effective for counting tigers because every tiger has a unique pattern of stripes, so individuals can be identified. This approach also helps count tiger prey species , a vital factor in determining how many tigers a given area can support. Tigers give birth every 2-2.5 years.
Litters are usually two to four cubs.
Only about half of the cubs survive to adulthood. Burning Bright . . . Tigers are the largest of the big cats. And in their forest habitats, they can disappear in an instant, melting soundlessly into the brush. Tigers, like all cats, are full-time carnivores.