Sun compass neurons are tuned to migratory orientation in monarch butterflies

Tu Anh Thi Nguyen, M. Jerome Beetz, Christine Merlin & Basil El Jundi
Every autumn, monarch butterflies migrate from North America to their overwintering sites in Central Mexico. To maintain their southward direction, these butterflies rely on celestial cues as orientation references. The position of the sun combined with additional skylight cues are integrated in the central complex, a region in the butterfly’s brain that acts as an internal compass. However, the central complex does not solely guide the butterflies on their migration but helps monarchs in their...
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