Mark Carwardine / Helicopter for transporting wildlife rangers, leaving Codfish Island, off Stewart Island, southern New Zealand, the main home of the endangered Kakapo, January 2009

Tim Laman / Helicopter arrives at Kwerba Village to airlift the expedition team into the Foja Mountains. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Assessment Program e...

Jeff Wilson / Royal Navy helicopter from HMS Endurance flying over sea and antarctic landscape, November 2008, Taken on location for the BBC series, Frozen Planet.

Carol Walker / Mustangs / Wild horses running from helicopter at round-up, Sand Wash Herd Area, near Maybell, Colorado, USA

Sergio Hanquet / Helicopter fighting forest fire. Ifonche, Tenerife, Canary Islands, 2012.

Sergio Hanquet / Helicopter fighting forest fire. Ifonche, Tenerife, Canary Islands, 2012.

Sergio Hanquet / Helicopter fighting fire in Canary Island pine (Pinus canariensis) forest. Ifonche, Tenerife. Canary Islands.

Sergio Hanquet / Helicopter in cloud of smoke, fighting fire in Canary Island pine (Pinus canariensis) forest, houses in foreground. Ifonche, Tenerife, Canary Islands, 2012.

Tony Heald / Fire service helicopter with water dump container. Cape Town, South Africa. 2015.

Eric Baccega / Western lowland gorilla (Gorilla gorilla gorilla) reintroduction from Beauval zoo, France through Gorilla Protection Project. Unloading cage containing female Gorilla from helicopter, near habituation...

Eric Baccega / Helicopter transporting Western lowland gorilla (Gorilla gorilla gorilla) female to habituation island prior to reintroduction by Gorilla Protection Project. Gorilla from Beauval zoo, France. Bateke P...

Eric Baccega / Transfer of Western lowland gorilla (Gorilla gorilla gorilla) cage from helicopter to boat for onward travel to habituation island. Reintroduction from Beauval Zoo through Gorilla Protection Project....