Hi Mary! They absolutely are! And when they fly overhead they’re so heavy that the sound of their wings makes you literally duck, as if a pterodactyl is passing over. Thank you for commenting and visit again soon. (You’ll find quite a few wonderful photos of hornbills earlier on the site, as well.)
Organikos 
Wow! Very interesting bird.
Hi Mary! They absolutely are! And when they fly overhead they’re so heavy that the sound of their wings makes you literally duck, as if a pterodactyl is passing over. Thank you for commenting and visit again soon. (You’ll find quite a few wonderful photos of hornbills earlier on the site, as well.)