Norbert Wu / Swordfish (Xiphias gladius) worldwide, can tolerate temperatures of five degrees Celsius and dive to 650 meters, uses sword to kill prey such as squid, can grow to 14 feet and 1200 pounds, Sardinia, I...

Dong Lei / Long-tailed broadbill (Psarisomus dalhousiae), two perched on branch, looking in opposite directions. Nonggang Natural Reserve, Guanxi Province, China.

Dong Lei / Long-tailed broadbill (Psarisomus dalhousiae) perched in tree. Nonggang Natural Reserve, Guanxi Province, China.

Ralph Pace / Swordfish (Xiphias gladius) with tags to determine effectiveness of fishing gear, San Diego, California

Ralph Pace / Swordfish (Xiphias gladius) with tags to determine effectiveness of fishing gear, San Diego, California

Staffan Widstrand / Wild Wonders of China / Long-tailed broadbill (Psarisomus dalhousiae) perched, perched on a branch with green background in Hong Bung He, Dehong, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Long-tailed broadbill (Psarisomus dalhousiae) perched on a branch at Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China. April

Staffan Widstrand / Wild Wonders of China / Long-tailed broadbill (Psarisomus dalhousiae) bird perched on branch, Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, May.

David Fleetham / Swordfish (Xiphias gladias) being hauled onboard a motorboat after being shot. Catalina Island, California, USA. August 2007.

Graeme Guy/ BIA / Black-and-red Broadbill (Cymbirhynchus macrorhynchos) pair building nest, Sabah, Borneo, Malaysia

Debapratim Saha/ BIA / Long-tailed Broadbill (Psarisomus dalhousiae), India

Nate Chappell/ BIA / Black-and-yellow Broadbill (Eurylaimus ochromalus), Thailand

Debapratim Saha/ BIA / Long-tailed Broadbill (Psarisomus dalhousiae), West Bengal, India

Nick Garbutt / Black-and-red broadbills (Cymbirhynchus macrorhynchos) group roosting in the rainforest understorey. Kinabatangan River, Sabah, Borneo. September.

Debapratim Saha/ BIA / Long-tailed Broadbill (Psarisomus dalhousiae), Darjeeling, India

Chien Lee / Whitehead's Broadbill (Calyptomena whiteheadi) male at nest, Malaysia

Chien Lee / Whitehead's Broadbill (Calyptomena whiteheadi) male feeding chick at nest, Malaysia

Chien Lee / Dusky Broadbill (Corydon sumatranus) carrying nesting material, Danum Valley Field Center, Sabah, Borneo, Malaysia

Chien Lee / Black-and-red Broadbill (Cymbirhynchus macrorhynchos), Danum Valley Field Center, Sabah, Borneo, Malaysia

Graeme Guy / Silver-breasted Broadbill (Serilophus lunatus) male building nest, Selangor, Malaysia

Debapratim Saha / Long-tailed Broadbill (Psarisomus dalhousiae), Darjeeling, India

Debapratim Saha / Long-tailed Broadbill (Psarisomus dalhousiae) with caterpillar prey, Darjeeling, India

Bob Steele / Long-tailed Broadbill (Psarisomus dalhousiae), Kaeng Krachan, Thailand

Nick Garbutt / Black and Yellow Broadbill (Eurylaimus ochromalus) perched in rainforest canopy. Danum Valley, Sabah, Borneo.

Roland Seitre / New Caledonian Flycatcher (Myiagra caledonica) Oro, Ile des Pins / Isle of Pine, South Province, New Caledonia.

Chien Lee / Black-and-red Broadbill (Cymbirhynchus macrorhynchos), Kinabatangan Wildlife Sanctuary, Borneo, Malaysia

Sebastian Kennerknecht / Black-and-yellow Broadbill (Eurylaimus ochromalus) female, Sepilok Forest Reserve, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Black-and-yellow Broadbill (Eurylaimus ochromalus) female, Sepilok Forest Reserve, Sabah, Borneo, Malaysia

Chien Lee / Whitehead's Broadbill (Calyptomena whiteheadi) male, Lawas, Sarawak, Borneo, Malaysia

Chien Lee / Black-and-red Broadbill (Cymbirhynchus macrorhynchos) group, Kinabatangan Wildlife Sanctuary, Sabah, Borneo, Malaysia

Nick Garbutt / Male Green broadbill (Calyptomena viridis) from rainforests of Borneo, Sumatra and Malay Peninsula. Catpive, Jurong Bird Park, Singapore.

DAVID TIPLING / Long tailed broadbill {Psarisomus dalhousiae} in cage, for sale in Hong Kong bird market.

Norbert Wu / Swordfish (Xiphias gladius) worldwide, can tolerate temperatures of five degrees Celsius and dive to 650 meters, uses sword to kill prey such as squid, Sardinia, Italy, Mediterranean Sea

Norbert Wu / Swordfish (Xiphias gladius) swimming, sword used to kill prey such as squid, Mediterranean Sea, Sardinia, Italy

Norbert Wu / Swordfish (Xiphias gladius) caught in fishing net, population is threatened by overfishing, worldwide, Sardinia, Italy, Mediterranean sea

Norbert Wu / Swordfish (Xiphias gladius) worldwide, can tolerate temperatures of five degrees Celsius and dive to 650 meters, uses sword to kill prey such as squid, can grow to 14 feet and 1200 pounds, Sardinia, I...

Ralph Pace / Swordfish (Xiphias gladius) biologists tagging fish to determine effectiveness of fishing gear, San Diego, California

Ralph Pace / Swordfish (Xiphias gladius) with tags to determine effectiveness of fishing gear, San Diego, California

Ralph Pace / Swordfish (Xiphias gladius) caught by fisherman, San Diego, California

Ralph Pace / Swordfish (Xiphias gladius) with tags to determine effectiveness of fishing gear, San Diego, California

Ralph Pace / Swordfish (Xiphias gladius) being harvested by fisherman, San Diego, California

Ralph Pace / Swordfish (Xiphias gladius) caught on deep-set buoy gear, San Diego, California

Georgette Douwma / Broadbill cuttlefish (Sepia latimanus) Cebu, Malapascua Island, Philippines, September

Sebastian Kennerknecht / Black-and-yellow Broadbill (Eurylaimus ochromalus) female, Sepilok Forest Reserve, Sabah, Borneo, Malaysia

Etienne Littlefair / Shining flycatcher (Myiagra alecto) male, perched on branch, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Broad-billed flycatcher (Myiagra ruficollis) perched on branch, Corroboree billabong, Northern Territory, Australia.

Tom Vierus / Chestnut-throated flycatcher (Myiagra castaneigularis whitneyi) perched in tree, Colo-i-Suva Rainforest Park, Viti Levu, Fiji.

Tom Vierus / Chestnut-throated flycatcher (Myiagra castaneigularis whitneyi) perched on branch, Colo-i-Suva Rainforest Park, Viti Levu, Fiji.

Tom Vierus / Vanikoro flycatcher (Myiagra vanikorensis) male, perched on a vine, Namosi Province, Viti Levu, Fiji.

Tom Vierus / Chestnut-throated flycatcher (Myiagra castaneigularis whitneyi) perched in tree, Namosi Province, Viti Levu, Fiji.

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) male perched and preening, Lomako Yokokala Faunal Reserve, Equateur Province, Democratic Republic of Congo.

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) male perched. The bird performs an aerial display and then lands back on the branch. Lomako Yokokala Faunal Reserve, Equateur Province, Democratic Rep...

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) male perched. The bird jumps up and lands back on the branch. Then the bird performs an aerial display and returns to its perch. Lomako Yokokala Fauna...

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) male perched. The bird performs an aerial display and then lands back on the branch. Lomako Yokokala Faunal Reserve, Equateur Province, Democratic Rep...

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) male perched. The bird defecates and then flies out of the frame. Lomako Yokokala Faunal Reserve, Equateur Province, Democratic Republic of Congo.

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) male entering frame and landing on a perch, Lomako Yokokala Faunal Reserve, Equateur Province, Democratic Republic of Congo.

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) male perched and looking at the camera. The bird then flies out of the frame. Lomako Yokokala Faunal Reserve, Equateur Province, Democratic Republic o...

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) male perched. The bird performs an aerial display and then lands back on the branch. Lomako Yokokala Faunal Reserve, Equateur Province, Democratic Rep...

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) male perched. The bird performs an aerial display and then lands back on the branch. The 'klaxon-like' sound is created by the birds primary feathers....

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) female perched and looking down at the camera. The bird then flies out of the frame. Lomako Yokokala Faunal Reserve, Equateur Province, Democratic Rep...

Jabruson / Rufous-sided broadbill (Smithornis rufolateralis) male perched. The bird performs an aerial display and then lands back on the branch. The 'klaxon-like' sound is created by the birds primary feathers....

Tim Laman / Black-and-yellow broadbill (Eurylaimus ochromalus) perched on branch with a Stick insect in its beak, Gunung Palung National Park, West Kalimantan, Borneo.