Gray Whale Migration Update: Mar. 14, 2012 |
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In a whale of a week, large pulses of northbound grays swelled counts. The first mother/calf pairs are making their way up the California coast and the first whales have now reached Washington. Hear what this baby whale likes, and see why 19 whales were tagged in Mexico last week.
This Week's Update Includes:
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Image of the Week | ||||||||||||||||||||||
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News: Full Steam Ahead! | |||||||||||||||||||||||
Whales are flooding northward! One California observer reported seeing 20 passing whales day on March 8, with conditions "so perfect that we could actually hear them when they exhaled." The season's first sightings of cow/calf pairs have created big excitement in California. While the earliest whales have reached Hat Island, Washington (48.52N). The magnify tool on our MapServer allows you to zoom in on the cluster of exciting reports in that area. Read and enjoy!
Counting the Whales Passing California Next time: Biologist Wayne Perryman starts his 19th annual cow/calf count on March 26, just before our next report. See Post #8 field notes for his 2012 prediction! Lagoons: Spring Training, Whale Tagging Next? Read Field Notes |
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Explore: The Migration Route Treasure Hunt | |||||||||||||||||||||||
You've heard the news from many of them. Now, what discoveries can you make about gray whale migration by visiting each of the Observation Posts along the route? Team up for our Treasure Hunt challenge and some fun surprises. Collect facts on the note-taking chart, then share and compare with other teams: How many facts did you find? How many were unique to your group? How many were the same as other teams found? Tally scores and celebrate your new knowledge of the whale trail! | |||||||||||||||||||||||
Tracking the Migration: Using Daily Data | |||||||||||||||||||||||
What BIG changes do you notice in the daily data at these two California point-count sites? Compare data to data from this time period last year by scrolling down the data page. This week, identify pulses and predict when the northbound migration might peak. What questions do you have?
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The next gray whale migration update will be posted on Mar. 28, 2012. | |||||||||||||||||||||||