Morley Read / Column of Leaf cutter ants (Atta sp) carrying leaves over the rainforest floor to their nest, Amazon rainforest, Orellana Province, Ecuador. (non-ex)

Morley Read / Rio Faisanes stubfoot toad (Atelopus coynei), Carchi Province, Ecuador, 2017. Critically endangered. (non-ex)

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

John Waters / Large mixed flock of Knot (Calidris canutrus), Dunlin (Calidris alpina) and Golden plover (Pluvialis apricaria) in flight at high tide, Steart Marshes WWT Reserve, Somerset, England, UK, December.

John Waters / Mixed flock of Wigeon (Anas penelope) and Northern lapwings (Vanellus vanellus) disturbed by hunting Marsh Harrier (Circus aeruginosus), Greylake RSPB Reserve, Somerset Levels, England, UK, December.

John Waters / Slow motion clip of a flock of Northern lapwings (Vanellus vanellus) flying over a flooded marsh, Catcott Lows Nature Reserve, Somerset Levels, England, UK, December.

John Waters / Slow motion clip of a Wigeon (Anas penelope) preening, Catcott Lows Nature Reserve, Somerset Levels, England, UK, December.

Dave Bevan / Eastern grey squirrel (Sciurus, Carolinensis) entering top of a bird feeder, struggling to get out again, Carmarthenshire, Wales, UK, June.

Frederique Olivier / Adelie penguin (Pygoscelis adeliae) stealing rock from another penguin for its nest, Adelie Land, Antarctica, January.

Philippe Clement / Flock of Jackdaws (Corvus monedula) congregating at dusk at communal roost, Belgium, December.

James Dunbar / Male Nursery web spider (Pisaura mirabilis) wrapping up prey, UK. Captive.

James Dunbar / Close-up of a pair of Nursery web spiders (Pisaura mirabilis) mating, UK. Captive.