Tiger Babies Stun Science

In a rare event, two tigresses in captivity give birth within hours of each other. Out of four cubs, three survive, defying the usual trend where cubs born in captivity are often destroyed by their mothers. At just one day old, these cubs show resilience, unaffected by their surroundings.

What is the age of the cubs mentioned in the text?

What is the reaction of the jungle kittens to their environment?