Questions tagged [migration]

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13 votes
2 answers
63 views

Distant impact on sea mammals of propagated sound wave of underwater nuclear tests

Nuclear tests have obvious effects on life and habitats by physical destructions and irridiations. This has been widespread between the 50s and 80s, mostly from the USA (1054 tests incl. 835 ...
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8 votes
2 answers
47 views

Is there is a good catalog of European passerine flight calls?

While in the US, I made good use of Bill Evan's Old Bird reference guide to study and learn the nocturnal flight calls of migratory passerines. It has been very fun to review the evening recordings ...
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