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This website explains the high-tech systems used by the Cornell Lab of Ornithology to hear, monitor, and protect endangered North Atlantic right whales, and you can see live info about where these whales have been detected within the past 24 hours.

"In this lesson students examine the patterns of gray whale migration along the Pacific Coast of North America. The exercise provides data at both broad and local scales, providing students with migration patterns and local scale feeding patterns. "

A blog by the New England Aquarium about the massive collaborative effort to protect critically endangered North Atlantic right whales from ship strikes, gear entanglements and other threats.

National Geographic Channel's groundbreaking series Great Migrations explores the massive movement of animal populations around the planet. The project chronicles these inspirational, often harrowing journeys that are marked by unforgiving odds, and what it means to move like your life depends on it. Wildebeests, zebras, red crabs, Mali elephants, walruses, monarch butterflies, jellyfish, and whale sharks will all be on display, and the production crew traveled some 420,000 miles, filming hundreds of stories in more than 20 countries. Using new science and technology, the series reveals how animals make death-defying journeys to survive. Great Migrations is the largest undertaking of its kind in the National Geographic Society's 120-year history. The seven-hour miniseries premieres globally in fall 2010. National Geographic's net proceeds support vital exploration, conservation, research, and education.

"Trained as a musician, acoustic biologist Katy Payne was first to discover that humpback whales compose ever-changing song to communicate, and first to understand that elephants communicate with one another across long distances by infrasound. We hear what she has learned about life in this world from two of its largest and most mysterious creatures."