SCOTLAND: The Big Picture / Close up of a colony of Jewel anemones (Corynactis viridis) Scotland, UK, October.

Stephane Granzotto / Tracking shot of a pod of Euphrosyne dolphins (Stenella coeruleoalba) swimming, Mediterranean Sea, August.

Bence Mate / African buffalo (Syncerus caffer) at waterhole at night, Mkuze, South Africa Third place in the Nature Portfolio category of the World Press Photo Awards 2017.

Bence Mate / African buffalo (Syncerus caffer) at waterhole at night, Mkuze, South Africa Third place in the Nature Portfolio category of the World Press Photo Awards 2017.

Bence Mate / Hippopotamus (Hippopotamus amphibius) at waterhole at night, Mkuze, South Africa Third place in the Nature Portfolio category of the World Press Photo Awards 2017.

Alex Mustard / A long exposure renders Bar jacks (Carangoides ruber) as ghostly trails as they swim around a sponge, on a coral reef, at night. East End, Grand Cayman, Cayman Islands. Overall winner of GDT competiti...

Juergen Freund / Whale shark (Rhincodon typus) near a fishing device called ?Bagan?, a stationary outrigger boat, with a net between outriggers and strong light at night to attract anchovies and scad. The whale sharks...

Georgette Douwma / Broadclub cuttlefish hunting technique - mesmorises fish by pulsating colour along body

SCOTLAND: The Big Picture / Jewel anemone (Corynactis viridis), Scotland, Outer Hebrides, North Uist, Scotland, UK, May.

Marie Read / Equipment set up for remote control photography at nest hole of Great Crested Flycatcher (Myiarchus crinitus), New York, USA. Camera, fitted with wide angle lens, mounted on monopod attached to ladder...

Marie Read / Bird photographers line up at sunrise to photograph mass takeoffs of overwintering Snow geese (Chen caerulescens), Bosque Del Apache National Wildlife Refuge, New Mexico, USA. December 2017.

Stephane Granzotto / Tracking shot of a pod of Euphrosyne dolphins (Stenella coeruleoalba) swimming, Mediterranean Sea, August.