Letter: Hard to swallow

Published 19 November 2014

From E

You report that banded stilts tracked by GPS tags were found to fly 2200 kilometres in two days (1 November, p 18). That’s crazy. Did anyone sit down and calculate average velocities of these birds?
Foxboro, Massachusetts, US

. H. Bristol

Issue no. 2996 published 22 November 2014

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