Doug Perrine / Volunteers restraining a recently weaned male Hawaiian monk seal (Neomonachus schauinslandi) while Marine Mammal Center veterinarian Michelle Barbiers takes a blood sample prior to tagging. Keokea Bea...

Doug Perrine / Volunteers restraining a recently weaned male Hawaiian monk seal (Neomonachus schauinslandi) while NOAA researcher Mark Sullivan glues a GPS satellite transmitter onto the fur on the seal's back. Keok...

Pete Oxford / Eastern diamondback rattlesnake (Crotalus adamanteus) in restraining tube. Little St Simon's Island, Barrier Islands, Georgia, USA, March.

Pete Oxford / Child looking at Eastern diamondback rattlesnake (Crotalus adamanteus) in restraining tube. Little St Simon's Island, Barrier Islands, Georgia, USA, March 2013.

Pete Oxford / Child touching Eastern diamondback rattlesnake (Crotalus adamanteus) in restraining tube. Little St Simon's Island, Barrier Islands, Georgia, USA, March 2013.

Pete Oxford / Chris Jenkins holding / handling Eastern diamondback rattlesnake (Crotalus adamanteus) in snake restraining tube, Little St Simon's Island, Barrier Islands, Georgia, USA, March 2014.

Pete Oxford / Young boy looking at Eastern diamondback rattlesnake (Crotalus adamanteus) held by Chris Jenkins in snake restraining tube, Little St Simon's Island, Barrier Islands, Georgia, USA, March 2014.

Pete Oxford / Children looking at Eastern diamondback rattlesnake (Crotalus adamanteus) held by Chris Jenkins in snake restraining tube, Little St Simon's Island, Barrier Islands, Georgia, USA, March 2014.

Ann & Steve Toon / Young ground squirrels (Xerus inauris) playing, Kgalagadi Transfrontier Park, South Africa. Non-ex.

Pete Oxford / Spectacled bear (Tremarctos ornatus) sedated for researchers to attach radio collar. Andes Ecuador, South America

Karl Ammann / Olive baboon mother restraining young {Papio anubis} Kenya

Ingo Arndt / Honey bees (Apis mellifera) restrained in a research setup to feed honey bees with different types of food, Bee Institute Oberursel, Germany.