Grey whales are among the species that seem to be very much on the increase in California waters
The number of whale sightings off the Southern California coast are up considerably on normal counts, reports the San Gabriel Valley Tribune.
Sightings of gray whales — about 20,000 making their annual migration from the Bering Sea to Mexico — were headed for a second record December in as many years, while orcas and rare blue whales also arrived on the Los Angeles coast as Christmas week visitors.
The marine mammal explosion for the second year running has aroused great excitement in the marine community.
Scientists can’t explain the reason for the increase, but speculate on warmer waters, more food in the Arctic, or even possibly more citizen scientists combing the seas for sightings.
Even with a fading El Niño, the waters off the Pacific coast are warmer.
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