Joel Sartore / Photo Ark / An endangered Flat-headed cat (Prionailurus planiceps),Taiping Zoo, Malaysia. Captive.

Floris van Breugel / A White-tailed Kite (Elanus leucurus) hovers in the open space over Mount Diablo State Park, California, USA. December.

Diane McAllister / Male Anna's hummingbird (Calypte anna) hovers in mid-air looking at the camera in a backyard in Reno. Nevada, USA, August

Alex Mustard / Striped pyjama squid (Sepioloidea lineolata) hovers above the seabed. Gulf St Vincent Edithburgh, Yorke Peninsular, South Australia, Australia

Alex Mustard / Pfeffer's flamboyant cuttlefish (Metasepia pfefferi) hovers just above the seabed. The largest individuals of this species, such as this one, are not as brightly coloured as the younger ones. Lembeh S...

Brent Stephenson / Grey-backed storm-petrel (Garrodia nereis) hovers above the water whilst it feeds. Kaikoura, Canterbury, New Zealand, October.

Andrew Parkinson / Pair of Fulmars (Fulmarus glacialis) displaying with cackling calls as another hovers above. May. Monach Islands, Outer Hebrides, UK (non-ex)

Andrew Parkinson / Pair of Fulmars (Fulmarus glacialis) displaying with cackling calls as another hovers above. May. Monach Islands, Outer Hebrides, UK (non-ex)

Alex Mustard / A Black Manta ray (Manta birostris) hovers above a cleaning station on a coral reef. Raja Ampat, West Papua, Indonesia. March

Nick Upton / Male Banded demoiselle damselfly (Calopteryx splendens) hovers near a female perched on a riverside leaf, Wiltshire, UK, summer

Christoph Becker / Bee hovers at yellow bellflower (Campanula speciosa speciosa/ Campanula thyrsoidea), Switzerland

Rolf Nussbaumer / Barn swallow flies to nest to feed chicks {Hirundo rustica} Switzerland.

Michio Hoshino / Arctic Fox (Alopex lagopus) hovers near fasting Polar Bear (Ursus maritimus), Arctic