Chapter 1
The map of the oceans
Chapter 2
Navigation in the dark
Chapter 3
Hazards on the highway
Chapter 4
Humans and the giants
YOUR GOAL
Master of The great whale highways
Ch 3 · Hazards on the highway
torito Whale Migration Shipping Lanes
Whales swim their routes, so grand and wide... (Oh-oh!) / Through busy lanes where big ships glide!
torito Melting glaciers and warming seas alter the timing and location of whale food supplies.
torito Human-made noise from shipping, sonar, and oil drilling disrupts vital whale communication.
Fun Fact
Slower ships save: Reducing ship speeds to just 10 knots in key areas reduces the risk of fatal whale collisions by 86%.
Glossary
eschrichtius robustus (noun)
The scientific name for the gray whale, a baleen whale famous for undertaking one of the longest migrations of any mammal. Because these gentle giants travel so close to the shore on their coastal highways, they are highly vulnerable to boat traffic and fishing gear.
The scientific name for the gray whale, a baleen whale famous for undertaking one of the longest migrations of any mammal. Because these gentle giants travel so close to the shore on their coastal highways, they are highly vulnerable to boat traffic and fishing gear.
Quiz
What speed limit is often enforced in critical whale habitats to protect them from ships?
Quiz
Which highly endangered whale species is most threatened by ship strikes in the North Atlantic?