Species shown in descending chronological order:-
Palawan Hornbill (Anthracoceros marchei) – Zigzag Road, Palawan, Philippines, 26th January 2012
Rufous Hornbill (Buceros hydrocorax) – PICOP, Mindanao, Philippines, 21st January 2012
Writhed Hornbill (Aceros leucocephalus) – PICOP, Mindanao, Philippines, 21st January 2012
Red-billed Hornbill (Tockus erythrorhynchus) – Serengeti NP, Tanzania, 21st October 2007
Southern Ground-Hornbill (Bucorvus leadbeateri) – Serengti NP, Tanzania, 20th October 2007
