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However, he explains this pass is likely to be one of the many routes that insects follow to cross the mountains. “Insects are channeled through the steep mount
by 6LLvveMx2koXfwn 2y ago
However, he explains this pass is likely to be one of the many routes that insects follow to cross the mountains. “Insects are channeled through the steep mountain valleys and then through the hills, since they are much lower than the peaks,” says Hawkes. “There are probably many more passes, all with millions of insects migrating each fall.”
Suggesting the Bujaruelo Pass is a good site, but hardly critical.
- ggm 2y agoAha.. I read it as somehow unique beyond its height, and so imprinted on the bugs as "the way" to go. If they have more then clearly this is not a bottleneck.
- 6LLvveMx2koXfwn 2y agoIt seems this site was picked primarily because an historical study was done at the same location in the 1950's.
- kjkjadksj 2y agoThere's a rail tunnel through the Pyrenees as of 2005. I wonder if insects have started routing through there as well as I assume the grade is smoother. Plenty of species use other connections we build like canals before long.
- surfingdino 2y agoFoxes have discovered how to get to the garden above the Canary Wharf Underground station in the London Docklands, which is not an easy thing to do with water surrounding the Isle of Dogs from three sides and heavy traffic from the North.