WARSAW, Poland (AP) — A Polish zoo is celebrating the arrival of four Sumatran tiger cubs, announcing their birth Friday after keeping it a closely-guarded secret for weeks due to fears they may not ...

A critically endangered Sumatran tiger cub was born at the Louisville Zoo. Screengrab from Louisville Zoo video Sumatran tigers are rare, which means each new birth calls for celebration. For a ...

The birth of four majestic Sumatran cubs at a zoo in Poland is being hailed as a "breeding success on a global scale." Sumatran tigers — the most critically endangered tiger subspecies — are under ...