Les Jones

I was able to see enough shadow detail that the illusion didn’t work on me.

Of course, I’m running a brightness and color corrected high end LCD.

Doug mentioned that it was almost perfect. If I use that again I’ll tune it a bit.

It’s actually a tern, not a gull.

(…thumbing through guide…) gull-billed tern, maybe?

So it terns out it’s not a gull? But is it a boy or a gull? Sorry, I’ve been waiting to use that pun forever.

[...] Answer Thursday. UPDATE: Here’s the answer in a picture. [...]

Why along the East coast do sea gulls fly East in the evening and West in the morning???

When I took ornithology in college I did my experimental project on something like that. Basically, the birds (I was watching terns) fly opposite the direction of the wind. When they see a fish they tilt their wings up, which kills their momentum. Then they drop like a stone into the water and grab the fish with their beak.

So assuming the statement you made is correct I’d guess it’s because of the difference in prevailing winds in the morning and evening. But I’d expect wind direction is determined by factors other than just time of day, even if that factor is predominant.
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