A fifth dead whale was found near San Francisco Bay, AP reported. It is the fifth such whale found in less than a month. The cause of death has not been determined.
April is the beginning of the gray whale’s north migration. Finding dead whales is not uncommon, but scientists were concerned that four were found within nine days.
Source: KRON 4 / YouTube
“It is alarming to be responding to four dead gray whales in just over a week as it really puts the current challenges facing the species into perspective,” said Dr. Pádraig Duignan, director of pathology at the Marine Mammal Center, after the first four whales were found.
Whales migrate along the coast in the winter in Mexico. They mate and give birth to calves in Baja California. Then they sweep up the coast to feed and begin their migration into the Arctic.
Fishing gear entanglements, malnutrition and trauma from ship attacks have been the most common causes of dead whales in recent years.
The National Marine Fisheries Service (NFMS), the National Oceanic and Atmospheric Administration (NOAA), and the commercial departments established a rule in April to protect the Pacific Ocean habitats for humpback whales.
Read about whales in One Green Planet, including the two beluga whales that were brought to a sanctuary. military sonar exercise in connection with stranded whales; Hypersonic weapons tests on killer whales; over 100 stranded whales rescued by rescuers; Whales, dolphins and porpoises are at unprecedented risk of extinction. and humpback whale caught in fishing gear.
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