An experimental displacement and over 50 years of tag-recoveries show that monarch butterflies are not true navigators

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H. Mouritsen, R. Derbyshire, Julia Stalleicken, Ole Ø. Mouritsen, B. Frost, D. Norris

Proceedings of the National Academy of Sciences of the United States of America, 2013

Reply to Oberhauser et al.: The experimental evidence clearly shows that monarch butterflies are almost certainly not true navigators

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H. Mouritsen, R. Derbyshire, Julia Stalleicken, Ole Ø. Mouritsen, B. Frost, D. Norris

Proceedings of the National Academy of Sciences of the United States of America, 2013