Karine Aigner / Scientist Nathan Cooper writing down data after he weighs and measures a Kirtland's warbler (Setophaga kirtlandii) Cat Island, Bahamas, April 2017.

Karine Aigner / Scientists Nathan Cooper measures the beak of an endangered Kirtland's warbler (Setophaga kirtlandii) Cat Island, Bahamas. April 2017.

Nick Garbutt / Veterinarian from Project Oncafari measuring teeth and jaw of Jaguar (Panthera onca palustris) female trapped following the death of a Cow. Caiman Lodge, southern Pantanal, Mato Grosso do Sul, Brazil....

Ashley Cooper / Campbell Stokes Sunshine Recorder, which measures hours of sunlight at Base Orcadas, an Argentine scientific station in Laurie Island, South Orkney Islands, Antarctic Peninsula.

Ashley Cooper / Cyclist in Poynton village, Cheshire which has recently undertaken a shared space road experiment, where pedestrians and vehicles share the same space. England, UK, May 2012.

Ashley Cooper / Sign in Poynton village, Cheshire which has recently undertaken a shared space road experiment, where pedestrians and vehicles share the same space. England, UK, May 2012.

Edwin Giesbers / Eagle owl (Bubo bubo) chick on scales during ringing session. Netherlands. February 2016.

Edwin Giesbers / Man placing Eagle owl (Bubo bubo) chick on scales during ringing session. Netherlands. February 2016.

Edwin Giesbers / Man weighing Eagle owl (Bubo bubo) chick during ringing session. Netherlands. February 2016.

Graham Eaton / Folded Carboniferous age sandstone and shale (Culm Measures) in plan view, deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic...

Graham Eaton / An anticlinal fold in Carboniferous age sandstone and shales. This fold and deformation was formed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by...

Graham Eaton / Folded Carboniferous age sandstones, Hartland Quay, Devon, UK, May