* Bengal Tiger (Panthera tigris tigris): Found in India and Bangladesh, these magnificent tigers are threatened by habitat loss and poaching.
* Black-footed Ferret (Mustela nigripes): This tiny mammal, native to the grasslands of North America, was once thought to be extinct but has been brought back from the brink of extinction.
* Blue Whale (Balaenoptera musculus): The largest animal on Earth, blue whales were hunted to near extinction in the 20th century. Though populations are slowly recovering, they still face threats from pollution, climate change, and ship strikes.
* Borneo Orangutan (Pongo pygmaeus): These intelligent apes are critically endangered due to habitat loss and poaching for the illegal pet trade.
* Bongo (Tragelaphus eurycerus): This striking forest antelope is found in Central Africa and is threatened by habitat loss and hunting.
* Black Rhino (Diceros bicornis): Once common across Africa, the black rhino is now critically endangered due to poaching for their horns.
* Brazilian Tapir (Tapirus terrestris): The largest land mammal in South America, these tapirs are threatened by habitat loss and hunting.
* Black-capped Parrot (Pionopsitta pileata): Found in Brazil, this vibrant parrot is endangered due to habitat loss and illegal pet trade.
* Black-handed Spider Monkey (Ateles geoffroyi): These monkeys are critically endangered due to habitat loss and hunting in Central America.
* Barbary Lion (Panthera leo leo): Once common in North Africa, these lions are now critically endangered and are found only in small populations in Morocco.
These are just a few examples of the many endangered animals that begin with the letter B. Protecting these magnificent creatures is crucial to preserving biodiversity and maintaining healthy ecosystems.