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Questions tagged [migration]

Questions about animal migrations

4
votes
2answers
98 views

What is the meaning and proper usage of the term “irruption” in bird behavior?

The author of a question on this site wondered if they had possibly seen a snowy owl. A quoted source in this answer to that question used the word irruption in part of a sentence about where the ...
11
votes
1answer
648 views

Butterfly Migration over Lassen Peak

Roughly 10 years ago I hiked up Lassen Peak in Northern California, and there was a huge (hundreds of thousands) butterfly migration going right over the top of the peak around this time of year. It ...
8
votes
1answer
152 views

What is a butterfly tag, and what's the procedure for applying it?

I was recently told that there are organizations, at least in the United States, that study migration of monarch butterflies by tagging them. The purpose, as in most animal migration monitoring, is to ...
8
votes
1answer
142 views

Where have all the sandpipers gone?

(long time passing). I walk along Del Monte beach in Crow City, USA (Monterey, California) quite often. For quite awhile, sandpipers were there in abundance - more than any other bird. I haven't ...
6
votes
1answer
88 views

Are Dolphin sightings seasonal or serendipitous?

I walk along Del Monte Beach in Crow City, USA (Monterey, California) quite often. It is not too rare to see dolphins frolicking (so it seems to me, although they may just be going about their ...
9
votes
2answers
294 views

Snowshoe hare migration patterns through changing seasons

I asked this question in the Hunting BC forum but so far it hasn't received much attention. I'm very interested in the answer(s) and will cross-post any useful information. Over the last three weeks ...