Participating buildings commit to dimming or turning off all window lighting and external lighting (including architectural and atrium lighting) from 11 pm to 5 am during bird migration periods (March 1 to June 1 and again from August 15 to October 31). (massaudubon.org)
In a recent study published in the journal Movement Ecology, conservation ecologists used GPS tags to track 17 of those white storks through their normal migration period to figure out why. (discovermagazine.com)
«The good news is that these effects can be reduced by installing or improving fish passage devices, modifying dam operations during peak migration periods, changing the structure of the dam to reduce injury and mortality, and by dam removal,» Nieland said. (sciencedaily.com)