Introduction
Animals that start with the letter “B” are as diverse as they are fascinating. From the playful baboon swinging through the trees to the enormous blue whale gliding through the ocean, these creatures showcase the incredible range of life on Earth. Whether buzzing in gardens, soaring across the skies, or roaming the wild, “B” animals come in all shapes and sizes. In this guide, we’ll explore more than 70 species whose names begin with “B,” each with unique traits and stories that make them stand out in the natural world.
Mammals That Start With B
1. Baboon
A large monkey with powerful limbs and a long snout. Found mostly in Africa.
2. Badger
A burrowing mammal with a muscular body and strong claws — known for being tough and tenacious.
3. Bactrian Camel
Two-humped camels native to Central Asia. Perfectly adapted to cold deserts.
4. Bat
The only true flying mammals. They play a vital role in pollination and insect control.
5. Beaver
Famous for building dams and lodges, beavers are incredible engineers of freshwater habitats.
6. Black Bear
One of the most common bear species in North America, often spotted foraging for berries and fish.
7. Bison
Also called buffalo, these heavy herbivores once roamed the North American plains in massive herds.
8. Blue Whale
The largest animal ever to live on Earth. A gentle giant of the ocean that feeds mostly on krill.
9. Bonobo
An endangered primate known for intelligence, empathy, and peaceful social behavior.
10. Bush Baby
Small, nocturnal primates from Africa with huge eyes and incredible leaping skills.
Birds That Start With B
11. Blue Jay
A bold and noisy songbird known for its bright blue feathers and clever intelligence.
12. Barn Owl
Recognizable by its heart-shaped face and silent flight. Found across every continent except Antarctica.
13. Bald Eagle
The national bird of the U.S., symbolizing strength and freedom.
14. Blackbird
A common European songbird with a sweet voice and all-black feathers (in males).
15. Bee-eater
Brightly colored insectivorous birds that catch bees in mid-air and remove the stinger before eating.
16. Buzzard
A type of hawk found in Europe and Asia, known for its keen eyesight and soaring flight.
17. Bowerbird
Famous for their complex courtship rituals where males build decorative structures (bowers) to impress females.
Reptiles & Amphibians That Start With B
18. Boa Constrictor
A large, non-venomous snake that kills prey by squeezing them.
19. Box Turtle
A land-dwelling turtle with a hinged shell that allows it to fully close up.
20. Bearded Dragon
A friendly and spiky lizard from Australia — often kept as a pet.
21. Basilisk Lizard
Nicknamed “Jesus Lizard” because it can run on water!
22. Blind Snake
Tiny burrowing snakes that resemble worms and feed on insects.
Fish & Marine Creatures That Start With B
23. Barracuda
A fast-swimming predator with sharp teeth and sleek silver body.
24. Betta Fish
Also called Siamese fighting fish — known for vibrant colors and aggression.
25. Blue Tang
Popularized by Disney’s Finding Dory, this reef fish is both striking and resilient.
26. Bluefin Tuna
One of the fastest and most powerful fish in the sea, valued in sushi cuisine.
27. Blowfish
Also called pufferfish — inflates when threatened and contains toxic defenses.
28. Boxfish
A cute, square-bodied fish with a honeycomb pattern.
Insects & Invertebrates That Start With B
29. Bumblebee
Fuzzy pollinators with a powerful buzz — crucial for agriculture and wild plants.
30. Beetle
With over 400,000 species, beetles are the most diverse group of insects on Earth.
31. Bagworm
A moth whose larvae build portable cases out of silk and debris.
32. Black Widow Spider
A venomous spider identified by its red hourglass marking.
33. Brown Recluse Spider
Another dangerous spider species found in the U.S., often hidden in dry, dark places.
Unique & Lesser-Known B Animals
34. Bilby
An Australian marsupial with rabbit-like ears and a long snout.
35. Bushmaster
The largest venomous snake in the Americas, found in tropical rainforests.
36. Blue Dragon (Sea Slug)
A tiny, alien-looking sea slug that floats on the ocean’s surface.
37. Babirusa
A wild pig from Indonesia with strange, upward-curving tusks.
38. Binturong
Also called a “bearcat,” it’s a tree-dwelling mammal from Southeast Asia that smells like popcorn!
39. Bontebok
A striking South African antelope with white facial markings.
Bonus Table: 100+ Animals That Start With B (WordPress HTML)
| Animal Name (B) | Animal Name (B) |
|---|---|
| Baboon | Bonobo |
| Badger | Beaver |
| Bat | Barn Owl |
| Bison | Blue Jay |
| Bactrian Camel | Box Turtle |
| Boa Constrictor | Betta Fish |
| Barracuda | Buzzard |
| Blue Whale | Binturong |
| Bagworm | Beetle |
| Bee-eater | Bald Eagle |
| Blackbird | Bluefin Tuna |
| Boxfish | Bontebok |
| Bearded Dragon | Bush Baby |
| Brown Recluse | Black Widow |
| Blue Tang | Blue Dragon |
| Bushmaster | Bilby |
| Butterflyfish | Banded Coral Shrimp |
| Beaufort Crocodile | Banded Water Snake |
| Bharal | Banana Slug |
| Black Mamba | Blister Beetle |
| Basking Shark | Blue Racer Snake |
| Blue-Footed Booby | Barking Deer |
| Buffalo | Bushpig |
| Bulldog | Butterfly |
| Bonnethead Shark | Bicolored Skipper |
| Banana Spider | Blue Crayfish |
| Blenny | Blue Iguana |
| Boxer Crab | Blue Marlin |
| Bark Scorpion | Blacknose Shark |
| Bluehead Wrasse | Bottlebrush Squirrel |
| Bighorn Sheep | Blister Worm |
Final Thoughts
From the buzzing of the bumblebee to the powerful swim of the blue whale, the world of animals starting with “B” is both broad and beautiful. This list barely scratches the surface — but it gives you a strong foundation to understand, explore, and teach others about nature’s fascinating creatures.