Male hornbill bird feeds family during breeding season

The hornbill is a national second-class protected animal in China and can only be found in southwest China's Tibet and Yunnan. [Photo: cctv.com]

The hornbill is a national second-class protected animal in China and can only be found in southwest China's Tibet and Yunnan. [Photo: cctv.com]

During its breeding season, which lasts from March to June, male hornbills use mud to put female hornbills in tree holes to hatch young birds, and male hornbills will leave a slot for feeding until the infant birds are out of the nest. [Photo: cctv.com]

During its breeding season, which lasts from March to June, male hornbills use mud to put female hornbills in tree holes to hatch young birds, and male hornbills will leave a slot for feeding until the infant birds are out of the nest. [Photo: cctv.com]

During its breeding season, which lasts from March to June, male hornbills use mud to put female hornbills in tree holes to hatch young birds, and male hornbills will leave a slot for feeding until the infant birds are out of the nest. [Photo: cctv.com