US: Rescue mission is under way after whale found entangled in fishing net near San Francisco, US News

Watching Whales Watching Us - The New York Times

Li'i, dolphin that lived with Lolita, gets new home in Texas

WhaleNet - STEM Education Resource

Team Frees Severely Entangled Humpback Whale in Monterey Bay

Teams work to save entangled whale off San Mateo County coast – NBC Bay Area

A humpback whale got entangled in fishing gear. Watch what happened next

Video shows B.C. humpback whale freed from ropes

Back-to-back humpback whales freed from tangled lines off California coast

Does This Photograph Show a Saved Whale Saying 'Thanks'?

Whales in Peril: Entanglements and Strandings

UPDATE 7 p.m.: The Whale Was Euthanized] Seeing Samoa's Stranded Whale: A Photo Look at This Prehistoric Creature Who Came Ashore Tangled in Human Nets - Redheaded Blackbelt

Sad outcome': Pod of 55 pilot whales die after being stranded on beach in Scotland