Ismaele Tortella / Northern gannet (Morus bassanus) colony, chick climbing back into nest, with the midnight sun, Norway, July

Ismaele Tortella / Black-legged kittiwake (Rissa tridactyla) nesting above a window, Lofoten, Norway, August.

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 / Brood chambers inside a Termite (Isoptera) nest with workers tending eggs, Napo Province in the Ecuadorian Amazon. Slow motion. (non-ex)

Morley Read / Slow motion clip of a queen termite (Isoptera) in chamber, with workers gathering liquid containing pheromones exuded from the queen's rear end, Ecuador. (non-ex)

Morley Read / Queen Termite (Isoptera) tended by workers in nest chamber, Napo Province, Ecuadorian Amazon. (non-ex)

Morley Read / Slow motion clip of a Spiny orb-weaver (Micrathena sp.) weaving a silk nest to protect its eggs, the nest is suspended from a thread to isolate it from predators, Amazon rainforest, Ecuador. Filmed at...

Morley Read / Slow motion clip of Leafcutter ants (Atta) carrying pieces of leaves back to their nest, Amazon rainforest, Napo Province, Ecuador. (non-ex)

Winfried Wisniewski / White Stork (Ciconia ciconia) on nest, Extremadura, Spain

Martin Willis / Budgerigar (Melopsittacus undulatus) father with begging chick at nest cavity, Queensland, Australia

Danny Green / Brunnich's guillemot (Uria lomvia) colony in mist, many birds in flight and nesting on cliffs. Svalbard, Norway, July 2018.

Phil Savoie / Blue tit (Cyanistes caeruleus) bringing Crab spider (Misumena vatia) prey to nest, Monmouthshire Wales, UK, May.