1. The blue whale is the largest animal on Earth, with a heart the size of a small car.
2. Cows have best friends and can become stressed when separated from them.
3. A group of flamingos is called a "flamboyance."
4. Honey never spoils. Archaeologists have found pots of honey in ancient Egyptian tombs that are over 3,000 years old and still perfectly edible.
5. The cheetah is the fastest land animal, capable of reaching speeds up to 75 mph.
6. Elephants are the only animals that can't jump.
7. Penguins engage in elaborate courtship rituals, often presenting a pebble to their potential mate.
8. The mimic octopus can imitate the appearance and behavior of more than 15 different marine species.
9. Kangaroos cannot walk backward.
10. The tongue of a blue whale is so massive that 50 people could stand on it.
11. A newborn kangaroo is about 1 inch long and is born blind.
12. The electric eel can produce shocks of up to 600 volts to stun prey or defend itself.
13. Female seahorses are the ones who carry and give birth to the babies.
14. The archerfish can shoot down insects above the water's surface by spitting a stream of water.
15. Sloths can rotate their heads almost 270 degrees.
16. The eyesight of a chameleon is better than that of humans, and they can see in both visible and ultraviolet light.
17. The quokka, often called the "world's happiest animal," is a small marsupial that appears to smile.
18. A group of owls is called a parliament.
19. The only mammal capable of flight is the bat.
20. A group of crows is known as a murder.
21. Axolotls are salamanders that retain their aquatic larval form throughout their lives.
22. A shrimp's heart is located in its head.
23. The bumblebee bat is the world's smallest mammal, weighing less than a penny.
24. Male seahorses give birth to their offspring.
25. A giraffe's tongue can be up to 45 centimeters long.
26. A newborn kangaroo is called a joey.
27. The slowest fish is the seahorse, which moves at about 0.01 mph.
28. Cats have five toes on their front paws but only four on their back paws.
29. The only continent without native reptiles or snakes is Antarctica.
30. The mantis shrimp has the most complex eyes in the animal kingdom.
31. The axolotl can regenerate its limbs, heart, and parts of its brain.
32. Some birds, like parrots and mynas, can mimic human speech.
33. The pistol shrimp's snapping claw is so powerful that it creates a bubble that reaches the temperature of the sun.
34. The oldest known breed of domesticated dog is the Saluki, originally bred in Egypt around 329 B.C.
35. The narwhal's tusk is actually an elongated tooth that can grow up to 10 feet long.
36. A newborn kangaroo stays in its mother's pouch for about 190 days.
37. The blue-ringed octopus carries enough venom to kill 26 adult humans within minutes.
38. The horned lizard can shoot blood from its eyes as a defense mechanism.
39. The hummingbird is the only bird that can fly backward.
40. A group of jellyfish is called a smack.
41. The bearded dragon lizard can change its color in response to its mood.
42. Cows have a unique scent in their breath, and farmers can identify individual cows by their breath odor.
43. The tongue of a chameleon is longer than its body.
44. The honeybee is the only insect that produces food eaten by humans.
45. The longest recorded lifespan of a goldfish is 43 years.
46. A group of ferrets is called a business.
47. The fennec fox has large ears to dissipate heat and survive in the desert.
48. The tapeworm can grow up to 82 feet in length.
49. The Gila monster is one of the few venomous lizards and is found in the southwestern United States and Mexico.
50. A newborn porcupine is called a porcupette.
51. The blue tang fish is known for its appearance in the movie "Finding Nemo" as the character Dory.
52. The snow leopard cannot roar like other big cats.
53. A group of hedgehogs is called a prickle.
54. A shrimp's heart is in its head.
55. The proboscis monkey has a large nose that can grow up to 7 inches long.
56. The chinchilla takes dust baths to keep its fur clean.
57. The tongue of a giraffe is prehensile and can be used to grasp objects.
58. The wandering albatross has the largest wingspan of any living bird, reaching up to 11 feet.
59. The pufferfish can inflate itself to deter predators.
60. The mimic octopus can imitate the appearance and behaviors of lionfish, flatfish, and sea snakes.
61. The praying mantis is the only insect that can turn its head.
62. The bombardier beetle can shoot a boiling hot chemical spray as a defense mechanism.
63. The axolotl is neotenic, meaning it retains its aquatic larval characteristics throughout its life.
64. The eyelashes of a camel are long and curved to protect their eyes from the desert sand.
65. The African elephant is the largest land animal, with males weighing up to 14,000 pounds.
66. The platypus is one of the few mammals that lay eggs instead of giving birth.
67. The lyrebird can imitate chainsaws, camera shutters, and car alarms.
68. The meerkat is immune to the venom of scorpions and snakes.
69. The star-nosed mole has a unique nose with 22 appendages that are used to touch and identify objects.
70. The woodpecker's tongue can wrap around its skull to protect its brain from the force of pecking.
71. The Tasmanian devil's jaw can open 80 degrees, allowing it to consume large amounts of food quickly.
72. The fangtooth fish has the largest teeth of any fish relative to its body size.
73. The kangaroo rat can live its entire life without drinking water.
74. The binturong, also known as the "bearcat," smells like buttered popcorn.
75. The Aye-aye, a type of lemur, uses its long middle finger to extract insects from tree bark.
76. The cuttlefish has the ability to change the color and pattern of its skin instantly.
77. The horseshoe crab is not a true crab and is more closely related to spiders and scorpions.
78. The male seahorse carries and gives birth to the offspring.
79. The echidna is one of only two mammals that lay eggs, the other being the platypus.
80. The armadillo's armor is made of bony plates covered with tough skin.
81. The geoduck clam has one of the longest lifespans of any animal, living up to 140 years.
82. The horned toad squirts blood from its eyes to deter predators.
83. The vampire bat is the only bat species that feeds exclusively on blood.
84. The baleen whale is the loudest animal on Earth, producing sounds that can travel hundreds of miles.
85. The anglerfish has a bioluminescent lure that it uses to attrat prey in the deep sea.
86. The axolotl is a neotenic salamander, meaning it retains its aquatic larval characteristics throughout its life.
87. The thorny devil lizard can collect water from any part of its body and channel it to its mouth.
88. The star-nosed mole is one of the fastest foragers, capable of identifying and consuming food in less than a quarter of a second.
89. The red-eyed tree frog has three eyelids and can see in almost every direction.
90. The mimic octopus can imitate the appearance and behaviors of various marine species, including lionfish, flatfish, and sea snakes.
91. The axolotl is capable of regenerating entire limbs, heart, and parts of its brain.
92. The bombardier beetle can release a boiling hot chemical spray as a defense mechanism.
93. The proboscis monkey has a large nose that can grow up to 7 inches long.
94. The fangtooth fish has the largest teeth of any fish relative to its body size.
95. The armadillo's armor is made of bony plates covered with tough skin.
96. The male seahorse carries and gives birth to the offspring.
97. The vampire bat is the only bat species that feeds exclusively on blood.
98. The echidna is one of only two mammals that lay eggs, the other being the platypus.
99. The baleen whale is the loudest animal on Earth, producing sounds that can travel hundreds of miles.
100. The thorny devil lizard can collect water from any part of its body and channel it to its mouth.