Photo: BLM, Trumpet and Dance of the Sandhill Crane, Cosumnes River Preserve, California (Some rights reserved)
Flyway = a route regularly used by large numbers of migrating birds
There are four major north/south flyways in North America and six covering Eurasia, Africa, and Australasia.
Wikipedia
Flyway
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Planeta.com
https://www.planeta.com/birds
https://www.planeta.com/birding
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