Thrashers males and females look alike only males sing

Last updated: 6/10/2023

Thrashers males and females look alike only males sing elaborate songs Males acquire new phrases and elements for their songs each year and can eventually build up a significant vocal repertoire Females prefer males with large repertoires as mates In this case how might song repertoire be a signal for good genes in the males a large repertoire means the males are better listeners 0 a large repertoire means the males have been able to survive for longer periods of time 0 a large repertoire means the males have had a lot of offspring previously a large repertoire means the males have done a lot of traveling it could be any of these