%0 Journal Article %T The longer the better: evidence that narwhal tusks are sexually selected %A Alexandre V. Palaoro %A Eva Garde %A Mads Peter Heide-J£¿rgensen %A Zackary A. Graham %J - %D 2020 %R 10.1098/rsbl.2019.0950 %X Once thought to be the magical horn of a unicorn, narwhal tusks are one of the most charismatic structures in biology. Despite years of speculation, little is known about the tusk's function, becau.. %U https://royalsocietypublishing.org/doi/10.1098/rsbl.2019.0950