At Rio’s BioParque zoo, some have a different preference. “For animals that are carnivores, their favorite flavor is blood,” said Letícia Feitosa, a 30-year-old biologist. Herbivores are given fruit ...

If we could be any animal in the world, most of us would choose sloth, right? They're so lazy; their days consist mostly of hanging upside down, having snacks ... Cincinnati Zoo is king when ...