Arne Hodalic / Nenet herdsman with Reindeer (Rangifer tarandus) during summer migration, Yamal Peninsula, Russia. May.

Jabruson / Vehicle carrying several different duiker carcasses for commercial bushmeat trade including: Blue Duiker (Cephalophus monticola), Bay Duiker (Cephalophus dorsalis), Peter's Duiker (Cephalophus callipy...

Steve O. Taylor (GHF) / Domestic goats (Capra aegagrus hircus) for sale in Hargeisa Livestock Market, Somaliland, 2014.

Steve O. Taylor (GHF) / Domestic goats (Capra aegagrus hircus) for sale in Hargeisa Livestock Market, Somaliland, 2014.

Steve O. Taylor (GHF) / Domestic goats (Capra aegagrus hircus) for sale in Hargeisa Livestock Market, Somaliland, 2014.

Floris van Breugel / Fruit fly (Drosophila melanogaster) in a fruit bowl. The fly was tethered for this image (tether removed digitally)

Onne van der Wal / Heavy weather clothing and harness tether for the crew of "Shaman" visiting the notoriously stormy islands of South Georgia.

Enrique Lopez-Tapia / Yak parked up beside motorcycles outside Gonchen Gompa / Derge Monastery. Derge, Garze Tibetan Autonomous Prefecture, Sichuan, China. 2016.

Nigel Cattlin / Head of a tethered Brahaman or zebu ox used for cultivation with a rope through the nose, Philippines, February