Writhe-billed "Rufous-headed" Hornbill (Aceros waldeni) - adult male
Hamtang Forest, Panay, the Philippines
© Jon Hornbuckle

Writhe-billed "Rufous-headed" Hornbill (Aceros waldeni) - adult male
Hamtang Forest, Panay, the Philippines
© Jon Hornbuckle

Writhe-billed "Rufous-headed" Hornbill (Aceros waldeni) - adult female(captive)
Negros, the Philippines
© Jon Hornbuckle