African Elephant:
https://www.nationalgeographic.com/animals/mammals/facts/african-elephant
Asian Elephant:
https://www.nationalgeographic.com/animals/mammals/facts/asian-elephant
Llama:
https://www.nationalgeographic.com/animals/mammals/facts/llama-1
Blue Wildebeest:
https://www.nationalgeographic.com/animals/mammals/facts/blue-wildebeest
Gibbon:
https://www.nationalgeographic.com/animals/mammals/facts/gibbons
Vampire Bat:
https://kids.nationalgeographic.com/animals/mammals/facts/vampire-bat