The whales, injured by a boat propeller, have passed the bridge several times, but always retreated upstream.
The wounded whale again rushed the boat and passed within a few cables of it, but did not directly attack it.
To illustrate, a diving beaked whale may be surfacing from a deep dive and must pass vertically through varying received sound levels.
In the spring and early summer more than 18,000 gray whales pass by on their seasonal migration from Alaska to Baja California.
Icebergs, whales and puffins pass by in summer.
The headlands of the peninsula jut 10 miles into the Pacific Ocean, and whales pass as close as a few hundred yards from shore.
The whales, led by the pregnant cows, pass Point Reyes in December and January.
With no notice, a solitary white whale nonchalantly passed, a couple of dozen feet away.
When the whale had passed on, Onie sat as if paralyzed.
Twenty-thousand gray whales pass here each spring on their way to summer feeding grounds in the Arctic, and Laurie desperately wanted to see a whale.