The tail feathers are often damaged towards the end of the breeding season, most likely from entering and leaving the burrow and regrow before the next mating season. The wingspan for an adult male is  and adult female is .
The tail feathers are often injured near the end of the breeding season, likely due to movement in and out of the burrow, and they regrow prior to the next mating cycle. The wingspan for an adult male is  and that for an adult female is .