Here are animals who grabbed headlines this week

From the death of polar bear Inuka to first time two Andean bear babies see outside world, here are animals who were in news this week. (Photos: AP/ PTI)

A Black-crowned night heron lands on the branch of a tree at a pond at Alipore Zoological Garden in Kolkata.

A tiger drinks water on a hot summer day at Sanjay Gandhi National Park in Mumbai.

Cambodia's government and a major conservation group say in a joint statement issued Monday, April 23, 2018, the number of critically endangered Irrawaddy dolphins along a stretch of the Mekong River has increased for the first time in 20 years but the animals still face serious threats.

Two Andean bear babies looks around as they enter first time their outdoor enclosure in the zoo in Frankfurt, Germany.

A Gorilla looks around in its enclosure in the zoo in Frankfurt, Germany.

Myanmar's Forest Department officials take notes at a skin stripped elephant carcass in southern Ayerawady division, Myanmar. A report by the British-based conservation group says rising Chinese demand for products made from elephant skin is driving poaching and posing a threat to Asia's wild herds even greater than the ivory trade.

Federal wildlife officials say the only wild population of endangered red wolves is unsustainable and could be wiped out within years. The prediction comes in a five-year review of the status of the species released Tuesday, April 24, 2018, by the U.S. Fish and Wildlife Service. The report says only about 40 wolves remain in the wild in North Carolina, down from a peak of about 120 a decade ago. Another 230 wolves live in captivity.

In this May 4, 2007, file photo, then seventeen-year-old Inuka the polar bear splashes water while performing water ballet, at the zoo in Singapore. Inuka, the world's first polar bear born in the tropics, has been put down by the Singapore Zoo. The 27-year old bear suffered from age-related ailments including arthritis. Its limbs were too weak to support an over 500-kilogram frame.

Buka, a silverback gorilla in a park in the Republic of Congo. Researchers now estimate that there are more than 360,000 lowland gorillas in the wild in Western Africa, approximately one-third higher than earlier figures. However, the gorilla population has plunged by 19 percent in eight years, worrying scientists.