Now playing Next Republic of Ecuador Hundreds of birds die in 'collective suicide' in Ecuador. Here's why. A remote Andean village in Ecuador celebrates the peculiar "collective suicide" ritual of migratory birds into their sacred lake. 25/09/2018
Now playing Next Australia Watch: This is the preservation process of whale skeleton South Australian Museum staff remove most of the flesh by hand, before allowing the skeleton to undergo maceration in tanks to remove remaining meat which may take several months. 17/09/2018
Now playing Next Spain Life-size art installation of sperm whale spotted in Madrid's riverban An impressive life-size art installation of a sperm whale was spotted in Madrid on Friday. 14/09/2018
Now playing Next Ireland Local fishermen find skull and antlers of extinct Great Irish Elk Local fishermen find skull and antlers of extinct Great Irish Elk in their fishing nets 07/09/2018
Now playing Next United Kingdom Watch: Researchers use rhino dung to save endangered species Scientists are studying biomarkers in the droppings of rhinos in an effort to save the species. 31/08/2018
Now playing Next USA Watch: Seal and butterfly play inter-species game at aquarium The butterfly fluttered its wings on the other side of the glass at the aquarium causing the seal to follow its every move. 31/08/2018
Now playing Next no comment No Comment of the Week This edition includes: Swarming bees close off a New York street, while unlikely friendships are being made at a Beijing Zoo. 31/08/2018
Now playing Next United Kingdom Electric shock dog collars to be banned in England Environment Secretary Michael Gove announced a ban on electric shock dog collars on Monday. 27/08/2018
Now playing Next United Kingdom Watch: Animals take to scales in annual weigh-in London Zoo's largest animal, Eilish the giraffe, weighed 836kg while the smallest creatures are the leafcutter ants. 24/08/2018
Now playing Next world news Feeling good: positive stories from the week Studies have shown that increasing positive emotions has a powerful effect on our general wellbeing. We hope they'll give you a nice shot of positive energy to cheer up your Friday! 24/08/2018
Now playing Next United Kingdom Sale of puppies and kittens by pet shops set to be banned in England The sale of puppies and kittens by pet shops could soon become illegal in England. 22/08/2018
Now playing Next France Paris Aquarium offers sanctuary to 600 goldfish Two years ago, The Paris Aquarium decided to open a new kind of sanctuary: one entirely dedicated to the humble and ubiquitous goldfish. 21/08/2018
Now playing Next Morocco The dog lover who turned around her childhood trauma A British-Moroccan woman has made it her mission to save stray dogs and other neglected animals. 17/08/2018
Now playing Next Spain Watch: Abnormal Spanish weather causes flamingo births to soar WATCH: Wet conditions during flamingo breeding season proved ideal, with thousands of chicks born in the reserve this year. 16/08/2018
Now playing Next Mongolia Watch: Endangered wild donkeys reappear in northwest China WATCH: About 400 of the rare species were spotted in their homeland. Their sharp decline over the past six decades has been attributed to poaching and poor ecological conditions. 15/08/2018
Now playing Next Czech Republic Watch: Endangered baby gibbon introduced to Prague zoo WATCH: The Silvery Gibbon is one of the world's rarest primates. 15/08/2018
Now playing Next USA Watch: Great white shark's dramatic hunt for seal off of US coast A great white shark's hunt for a seal turned into a dramatic scene off the coast of Cape Cod, Massachusetts. 15/08/2018
Now playing Next world news The secret herd of seahorses in Greece Greek diver Vasilis Mentogiannis was shocked when he found a very rare herd of seahorses on the Chalkidiki peninsula back in 2007. The animals were living in very unfavourable conditions. So this is what he did. But they were living under unfavourable conditions. 07/08/2018
Now playing Next Greece Meet the woman helping animals abandoned in Greece’s wildfire inferno Artemis Kyriakopoulou is hunting for pets left behind in Greece's wildfire disaster. 31/07/2018
Now playing Next Bulgaria How do you kill thousands of livestock in a few days without warning? When Ovine Rinderpest was identified in Bulgaria, the authorities had to start killing, fast. 31/07/2018