Southern yellow-billed hornbill

Description

It is a medium-sized bird,48–60 centimetres (19–24 in) in length,132–242 grams (0.291–0.534 lb) in weight and is characterized by a long yellow and down-curved beak.This beak is huge in comparison to its body and can account for up 1/6th of the entire body length.Male beaks are on average 90 mm long while female beaks are an average of 74 mm.Males are generally bigger than females but there is overlap between the sexes.The size difference of the beak is a fairly reliable way of differentiating sex in wild hornbills.