Migratory blackcaps can use their magnetic compass at 5 degrees inclination, but are completely random at 0 degrees inclination med./bio.

By: Schwarze S, Steenken F, Thiele N, Kobylkov D, Lefeldt N, Dreyer D, Schneider NL, Mouritsen H
Published in: Sci Rep 2016; 6: 33805
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Exposure