What makes gray whale endangered?
Oil and gas development, entanglement in fishing gear, and collisions with ships threaten gray whales. The western North Pacific gray whale is on the verge of extinction because of such threats.
What human activities kill whales?
Collisions with ships, entanglement in fishing gear (known as bycatch), and pollution injure and kill whales.
What is being done to help GREY whales?
Gray whales received protections from the IWC in 1947.In the United States, the animals are further protected by the Marine Mammal Protection Act and Endangered Species Act. Mexico transformed some of Baja California’s major breeding and nursing lagoons into a protected refuge zone.
Do whales eat humans?
Killer whales (or orcas) are large, powerful apex predators. In the wild, there have been no fatal recorded attacks on humans. In captivity, there have been several non-fatal and fatal attacks on humans since the 1970s.
What makes gray whales unique?
What Makes Gray Whales Unique? Gray whales are baleen whales, meaning they filter food through baleen plates. However, they differ from the other two baleen whale families in their feeding habits, as they are primarily bottom feeders, gulping sediment through their baleen to gulp down crustaceans.
How often do gray whales eat?
Gray whales eat about 150,000 kg (340,000 lbs.) of food during a 130 to 140 day feeding period–a daily average intake of about 1,089 kg (2,400 lbs.).
How big is a gray whale’s eye?
about 6 to 7 feet
Are gray whales baleen or toothed?
These 80 species fall into two groups: baleen and toothed. Blue whales, humpback whales, and gray whales are all mysticetes. Baleen whales, including the Bryde’s whale pictured here, have two blowholes through which they breathe. Toothed whales have only one.
What is the biggest baleen whale?
blue whale
Which whale has no teeth?
Baleen whales
What is whale baleen used for?
Baleen is the series of fringed plates hanging in right whales’ mouths that are used to strain seawater for food.
What is whale used for?
Over a thousand whales are killed each year for their meat and body parts to be sold for commercial gain. Their oil, blubber, and cartilage are used in pharmaceuticals and health supplements. Whale meat is even used in pet food, or served to tourists as a ‘traditional dish’.