Nick Upton / Captive reared juvenile White stork (Ciconia ciconia) in flight over the Knepp Estate soon after release, Sussex, UK, August 2019.

Nick Upton / Captive reared juvenile White stork (Ciconia ciconia) with a GPS tracker on its back in flight over the Knepp Estate soon after release, Sussex, UK, August 2019.

Nick Upton / Eurasian beaver (Castor fiber) entering the River Otter after release. Part of escaped population re-released to the wild following veterinary check ups. Taken on the second day of Beaver releases aft...

Nick Upton / Julia Coats of the Animal and Plant Health Agency releasing Eurasian beaver (Castor fiber) back into River Otter. Part of escaped population re-released to the wild following veterinary check ups. Tak...

Pascal Tordeux / Boy on hillside kicking a fungus, which releases its spores, Queyras, France, August 2011. Model released.

Ross Hoddinott / 2020VISION / School child releases salmon fry in the River Haddeo, with Westcountry Rivers Trust (WRT) warden. Bury, Exmoor National Park, Somerset, UK. May 2012. Editorial use only

Martin Dohrn / Cardinal fish (Apogon sp) moments after it has mistakenly tried to eat an ostracod. The ostracod then releases glowing mucus that is so bright that it can be seen through the body of the fish. This gi...

Shibai Xiao / Mangrove forest (Sonneratia hainanensis) respiratory roots with man standing up in small boat, Guangxi Province, China. No releases available.

Juergen Freund / Richard Fitzpatrick releases Grey reef shark {Carcharhinus amblyrhynchos} after inserting transmitter into its belly, as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008

Doug Wechsler / Biologist releases Olive Ridley turtle hatchlings from study nest, Santa Rosa NP Costa Rica

Heather Angel / Lousewort (Pedicularis oxycarpa), a hemi-parasite on grass. Pollinated by bumblebees through buzz pollination, rapid vibration of flight muscles releases pollen in the flower. Near Barkham, Sichuan Pr...

Nick Upton / Forest of Dean interior, with a mix of deciduous and coniferous trees, close to sites for Pine Marten (Martes martes) releases by the Forest of Dean and River Wye Pine Marten Projectt, Gloucestershire...