Debapratim Saha/ BIA / Great Barbet (Megalaima virens), Darjeeling, India

Dong Lei / Blue-throated barbet (Megalaima asiatica) roosting in tree stump at night. Simao, Pu'er Prefecture, Yunnan Province, China.

Dong Lei / Blue-throated barbet (Megalaima asiatica) roosting in tree stump at night. Simao, Pu'er Prefecture, Yunnan Province, China.

Dong Lei / Blue-throated barbet (Megalaima asiatica) at night roost in tree hole. Simao, Pu'er Prefecture, Yunnan Province, China.

Dong Lei / Blue-throated barbet (Megalaima asiatica) roosting in tree stump at night. Simao, Pu'er Prefecture, Yunnan Province, China.

Bernard Castelein / Brown-headed barbet (Megalaima zeylanica), Keoladeo NP, Bharatpur, India

Bernard Castelein / Brown-headed barbet (Megalaima zeylanica), Keoladeo NP, Bharatpur, India

Graeme Guy/ BIA / Coppersmith Barbet (Megalaima haemacephala) parent feeding chick in nest cavity, Penang, Malaysia

Staffan Widstrand / Wild Wonders of China / Blue-throated barbet (Megalaima asiatica) taking off, Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China. May

Staffan Widstrand / Wild Wonders of China / Blue-throated barbet (Megalaima asiatica) flying, Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, May.

Paul Bertner / Golden-throated Barbet (Megalaima franklinii) in nest cavity, Bach Ma National Park, Vietnam

Graeme Guy/ BIA / Coppersmith Barbet (Megalaima haemacephala) parent feeding chick in nest cavity, Malaysia

Chien Lee / Red-throated Barbet (Megalaima mystacophanos) female creating nest cavity in dead tree, Sarawak, Borneo, Malaysia

Martin Willis / Great Barbet (Megalaima virens), Gaoligongshan National Nature Reserve, Yunnan Province, China

Martin Willis / Great Barbet (Megalaima virens), Gaoligongshan National Nature Reserve, Yunnan Province, China

Bob Steele / Moustached Barbet (Megalaima incognita), Khao Yai National Park, Thailand

Bob Steele / Moustached Barbet (Megalaima incognita), Khao Yai National Park, Thailand

Bob Steele / Fire-tufted Barbet (Psilopogon pyrolophus), Fraser's Hill, Malaysia

Bob Steele / Blue-throated Barbet (Megalaima asiatica), Kaeng Krachan, Thailand

Chien Lee / Golden-naped Barbet (Megalaima pulcherrima), Mount Kinabalu National Park, Borneo, Malaysia

Sebastian Kennerknecht / Brown Barbet (Calorhamphus fuliginosus) female, Sepilok Forest Reserve, Sabah, Borneo, Malaysia

Chien Lee / Brown Barbet (Calorhamphus fuliginosus), Sepilok Forest Reserve, Sabah, Borneo, Malaysia

Chien Lee / Brown Barbet (Calorhamphus fuliginosus) calling, Sepilok Forest Reserve, Sabah, Borneo, Malaysia

Chien Lee / Brown Barbet (Calorhamphus fuliginosus), Kubah National Park, Malaysia

Chien Lee / Red-throated Barbet (Megalaima mystacophanos) calling, Bintulu, Borneo, Malaysia

Chien Lee / Red-crowned Barbet (Megalaima rafflesii), Semengoh Wildlife Rehabilitation Centre, Malaysia

Fred Bavendam / Striped Catfish (Plotosus lineatus) school, Bali, Indonesia

Fred Bavendam / Striped Catfish (Plotosus lineatus) school, Bali, Indonesia

Eric Sohn Joo Tan/ BIA / Golden-whiskered Barbet (Megalaima chrysopogon) with fruit at nest cavity, Selangor, Malaysia

Eric Sohn Joo Tan/ BIA / Golden-whiskered Barbet (Megalaima chrysopogon) at nest cavity, Selangor, Malaysia

Eric Sohn Joo Tan/ BIA / Great Barbet (Megalaima virens), Yunnan, China

Eric Sohn Joo Tan/ BIA / Red-crowned Barbet (Megalaima rafflesii) calling at nest cavity, Johor, Malaysia

Martin Willis / Blue-throated Barbet (Megalaima asiatica), Gaoligongshan National Nature Reserve, Yunnan Province, China

Sebastian Kennerknecht / Brown Barbet (Calorhamphus fuliginosus) female, Sepilok Forest Reserve, Sabah, Borneo, Malaysia