A fish that scratches a mark only a mirror reveals

01:21 Can a parrot recognise its chick by its voice? 22 views · 7 hours ago 01:23 A jellyfish that turns back its own clock 13 views · 13 hours ago 01:12 A jellyfish that fishes with glowing lures 2 views · 16 hours ago 01:35 A fish that handles salt, but not fresh-ish water 21 views · 19 hours ago 01:13 Snakes that "see" heat in the dark 6 views · 22 hours ago 01:10 The voice that gives away a flamingo's identity 4 views · 1 day ago 01:25 The blue tit's nest, a garden of aromatic herbs 9 views · 1 day ago 01:14 Goats prefer a smile, but only on the right 9 views · 1 day ago 01:13 Returning to the beach of birth, without a map? 5 views · 1 day ago

01:21 Can a parrot recognise its chick by its voice? 22 views · 7 hours ago 01:23 A jellyfish that turns back its own clock 13 views · 13 hours ago 01:35 A fish that handles salt, but not fresh-ish water 21 views · 19 hours ago 01:13 Snakes that "see" heat in the dark 6 views · 22 hours ago 01:10 The voice that gives away a flamingo's identity 4 views · 1 day ago 01:25 The blue tit's nest, a garden of aromatic herbs 9 views · 1 day ago 01:13 Returning to the beach of birth, without a map? 5 views · 1 day ago 01:14 Bats that listen to their prey walking 6 views · 1 day ago 01:21 The animal that folds into a barrel to survive 14 views · 1 day ago 01:13 An Arctic shark that may be over 270 years old 10 views · 2 days ago 01:12 A rat learns more by watching another fumble 15 views · 2 days ago 01:10 A compass that only works under certain colours 16 views · 2 days ago

01:14 Goats prefer a smile, but only on the right 9 views · 1 day ago 01:08 Can a dog sense a blood sugar drop before its owner does? 25 views · 2 days ago 01:11 Does your cat meow the same way to everyone? 49 views · 3 days ago 01:12 Do dogs recognize their owners after years apart? 25 views · 5 days ago 01:13 Why do cats land on their feet? 32 views · 5 days ago 01:40 The roadrunner, rattlesnake killer 56 views · 1 month ago 02:37 In western diamondback rattlesnakes, pheromones work like a dating app 46 views · 1 month ago 01:51 The megalodon: a monster of colossal proportions 32 views · 1 month ago 02:45 Diving into the heart of the "Devil's Hole" 33 views · 1 month ago 01:02 Do you know the tuatara, New Zealand's most ancient resident? 32 views · 1 month ago 01:58 How does the bioluminescent millipede produce light? 31 views · 1 month ago 02:32 The glass frog: a stunning amphibian with transparent skin 34 views · 1 month ago

01:12 A jellyfish that fishes with glowing lures 2 views · 16 hours ago 00:46 Fish that farm their own light 18 views · 5 days ago 02:25 The giant squid, the sperm whale's favourite food 40 views · 1 month ago 02:23 The sea otter, an aquatic animal par excellence 34 views · 1 month ago 02:15 The sea otter, guardian of the underwater forest 36 views · 1 month ago 02:24 The sea cucumber: a marine curiosity essential to the ecosystem 35 views · 1 month ago 01:57 The star-nosed mole, a creature of darkness 34 views · 1 month ago 02:32 The sunflower starfish: a true octopus predator 32 views · 1 month ago 01:36 This dangerous giant starfish has 18 arms 39 views · 1 month ago 02:15 The Amazing Relationship Between the Hermit Crab and the Sea Anemone 34 views · 1 month ago 02:01 How do sea anemones reproduce? 30 views · 1 month ago 01:15 Sea Anemone: A Deadly Hazard 33 views · 1 month ago

01:59 This picture-perfect snowy egret family has a dark secret 43 views · 2 months ago 02:08 The goliath heron, the world's largest heron species 52 views · 2 months ago 01:13 The horned screamer, an exceptionally rare heron 46 views · 2 months ago 01:10 Slender legs, piercing eyes, and pointed bill: the squacco heron's formidable hunting prowess 41 views · 2 months ago 02:09 Discovery of a perfectly preserved pliosaur skull 42 views · 2 months ago 01:45 The Most Complete Plesiosaur Skull Ever Found 38 views · 2 months ago 01:50 Cuckoos: absent parents with a remarkably effective strategy 39 views · 2 months ago 01:55 The Kingfisher's Insatiable Appetite 60 views · 2 months ago 02:59 Ravens fight for survival on the walls of El Capitan 61 views · 2 months ago 02:28 This little owl only sees with one eye 53 views · 2 months ago 02:41 The talent of the osprey, a formidably efficient raptor 55 views · 2 months ago 02:20 The extremely rare California condor, emblematic of the Grand Canyon 51 views · 2 months ago

00:28 At the heart of the hive 141 views · 2 months ago