This week in wildlife - the best pictures of animals around the world

Take a look at some of the best images of wildlife from the past week

A Golden Lion Tamarin holds on to a tree in the Atlantic Forest region of Silva Jardim in Rio de Janeiro state, Brazil. AP Photo

A lioness is pictured enjoying a frozen treat at the Paris Zoological Park. AFP

A moorhen swims in a pond full of algae in a park in London. AP Photo

A one-month-old female baby Sumatran elephant is seen next to her mother Siska at the Taman Safari Zoo in Pasuruan, East Java. AFP

The tail of a humpback whale comes out in the morning fog, on the Saint-Lawrence river in Tadoussac Quebec. AP

A Humboldt penguin keeps cool with a seafood-flavoured frozen treat at the Paris Zoological Park. AFP

A Glutton is picture with a frozen treat at the Paris Zoological Park. AFP

Storks stand in their nest built on a power line mast in the village of Alt Zauche near Luebben, Germany. AFP

Darwin's rhea and mara gather to eat at the Paris Zoological Park. AFP

Giraffes gather near frozen treats at the Paris Zoological Park. AFP

An sealion keeps cool with a seafood-flavoured frozen treat at the Paris Zoological Park. AFP

Humboldt penguis keep cool in the shade at the Paris Zoological Park. AFP

Alpacas are pictured during an animal therapy session for mentally ill criminals in Mainkofen, southern Germany. AFP

A grizzly bear bites into a frozen treat on a hot day at the Oklahoma City Zoo in Oklahoma City. AP Photo

A tiger grabs a watermelon treat with all four paws at the Oklahoma City Zoo in Oklahoma City. AP Photo

A gorilla licks her hand as she eats a frozen treat on a hot day at the Oklahoma City Zoo in Oklahoma City. AP Photo

A Lorikeet reaches for a frozen treat on a hot day at the Oklahoma City Zoo in Oklahoma City. AP Photo

Two Galapagos tortoises bite into a frozen treat on a hot day at the Oklahoma City Zoo in Oklahoma City. AP Photo

Golden Lion Tamarins hold on to trees in the Atlantic Forest region of Silva Jardim in Rio de Janeiro state, Brazil. AP Photo

A chimpanzee holds an enrichment treat at the Oakland Zoo in Oakland, California. AP Photo

A mountain goat stands on a ridge line in Juneau, Alaska. AP Photo

Zebra foals are seen during the presentation of the most popular pets of the Budapest Zoo and Botanical Garden in Budapest. EPA

A Nile hippopotamus enjoys vegetables during the presentation of the most popular pets of the Budapest Zoo and Botanical Garden. EPA

A meerkat sits on a column during the presentation of the most popular pets of the Budapest Zoo and Botanical Garden. EPA

An undated handout photo made available by Zoos South Australia shows the new Southern White Rhino calf exploring the enclosure at Monarto Safari Park in South Australia. EPA

More wildlife and environment stories from The National:

Volunteer army masses to help Mauritius oil spill clean-up operation

Spate of bushires at Kenya’s biggest national parks leaves staff suspecting arson

Endangered tigers seen in Thailand after four-year absence

Botswana's president urged to better investigate Okavango elephant deaths

Rare 100-year-old tree discovered in eastern Abu Dhabi