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1. Tiger stripes are unique.
Like the human fingerprint, each tiger’s stripe pattern is one of a kind. Individual tigers are identified by their unique stripes and counted using camera trap images to estimate population numbers, this could be in a protected area or on a bigger scale for a country population estimate.
2. Tigers can use their ears to communicate.
A tigress uses the white spots on the back of her ears to communicate with her cubs. They act as a flasher to the cubs, when a tigress senses danger she flattens her ears and the cubs respond by crouching down and hiding.
3. India has over half the world’s population of tigers.
This makes counting them quite a logistical challenge! In 2018 India’s national tiger survey made it into the Guinness Book of World Records for being the largest camera trap exercise in the world.
4. One meal a week.
For tigers only one in ten hunts are successful; a large deer can provide a tiger with one week's food.
5. The vocal repertoire of tigers is vast.
They grunt, growl, roar, moan, snarl, chuff, hiss and gasp. It's thought that each vocalisation is used to communicate different things.