Some manakin males courtroom females with elaborate aerial routines – and in these species, males have advanced to be extra light-weight for further agility
4 May 2022
Male birds that impress females with complicated acrobatic actions are typically smaller than females of the identical species, in all probability as a result of their lowered physique dimension makes them extra agile.
In birds, it is not uncommon for males to be bigger than females, notably when there may be sturdy competitors between males for mates. Unusually, females are bigger than males in some species of manakin, a household of birds that stay in tropical forests in Central and South America.
Elsie Shogren on the University of Rochester in New York suspected that this dimension distinction could be associated to their mating shows. Manakin …