Mark Carwardine / Sei whale (Balaenoptera borealis) surfacing, blow-hole visible, Baja California, Sea of Cortez (Gulf of California), Mexico, Endangered species

Mark Carwardine / Blue whale surfacing, showing blow hole, Mexico {Balaenoptera musculus} Sea of Cortez, Mexico

Mark Taylor / Bulldog with a tabby kitten, Fosset, 6 weeks.

Konrad Wothe / Humpback whale (Megaptera novaeangliae) blow of one surfacing, tail fluke of one diving, Alaska's Inside Passage, USA, July

Roland Seitre / Australian humpback dolphin (Sousa sahulensis) dorsal skin, showing scratch marks, thought to be from social interactions or competition with other dolphin. Tin Can Bay, Queensland, Australia, Septem...

Roland Seitre / Australian humpback dolphin (Sousa sahulensis) blow-hole and back. Scratch marks are thought to be from social interactions or competition with other dolphin. Tin Can Bay, Queensland, Australia, Sept...

Rick Tomlinson / "Emirates team New Zealand" blowing out a spinnaker on the houst at the top mark. Audi Med Cup offshore race, Cascais to Lisbon, Portugal, May 2010.

Onne van der Wal / Miami Acura Grand Prix, Key West, Florida. 2009.

Rick Tomlinson / Spinnaker blow-out on "Holmatro", Swan European Regatta, Isle of Wight, July 2009.

Brent Stephenson / Humpback Whale (Megaptera novaeangliae) surfacing showing the twin blowholes. Drake Passage, near the South Shetland Islands, Antarctica, December.

Mark Carwardine / Grey Whale (Eschrichtius robustus) calf with head above the water surface. Whale lice are visible around the blow-hole. San Ignacio Lagoon, Baja California, Mexico, February.

Christian Ziegler / Orchid (Masdevallia caloptera) flower with its pollinator Blue Bottle Fly (Calliphoridae) carrying yellow pollinium on its back, Finca Dracula Orchid Sanctuary, western Panama