What makes a Mammal a Marine Mammal? Marine mammals, including cetaceans (whales, dolphins, and porpoises), pinnipeds (seals and sea...

What is a Coral Reef? Coral reefs are underwater ecosystems formed by colonies of tiny animals called coral polyps. These diverse and...

What is a seabird? A seabird is a bird that frequents coastal waters and the open ocean. These birds, such as gulls, pelicans,...