David Perpinan / Tracking shot of a male Pheasant (Phasianus colchicus) displaying to an unreceptive female, Barcelona, Spain, May.

David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.

David Perpinan / Group of Griffon vultures (Gyps fulvus) fighting to feed on a dead lamb. Cuenca, Spain, August.

David Perpinan / Group of Griffon vultures (Gyps fulvus) arriving and feeding on a dead lamb, Cuenca, Spain, August.

David Perpinan / Grey heron (Ardea cinerea) chick trying to force its parent to regurgitate food, Barcelona, Spain, May.

David Perpinan / Grey heron (Ardea cinerea) chick trying to force its parent to regurgitate food, with another chick leaning in, chased away by adult, Barcelona, Spain, May.

David Perpinan / Grey heron (Ardea cinerea) regurgitating a fish for its chick, Barcelona, Spain, May.

David Perpinan / Aeroplane flying in front of a total lunar eclipse, also called a Blood Moon, Barcelona, Spain, 27th July 2018.

David Perpinan / Mallards (Anas platyrhynchos) paddling in river, seen from underwater, Scotland, UK, April.

David Perpinan / Male Lapwing (Vanellus vanellus) arriving at nest to incubate eggs, female leaves, Scottish Borders, Scotland, UK, June.

David Perpinan / Two Hyacinth macaws (Anodorynchus hyacinthus) in a tree, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Blue-fronted amazon parrot (Amazona aestiva) entering nest in tree, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Great rufous woodcreeper (Xiphocolaptes major) arriving at nest site in a dead palm tree, climbs down to nest, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Close-up of a Giant anteater (Myrmecophaga tridactyla) eating ants, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Rhea (Rhea americana) incubating eggs, gets up and turns one over, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Various Songbirds (Passerine) in cages, confiscated from illegal wildlife trade, Brazil.

David Perpinan / Blue fronted amazon (Amazona aestiva) chicks, confiscated from illegal wildlife trade, Brazil.

David Perpinan / Close-up of a carer feeding a Blue fronted amazon (Amazona aestiva), confiscated from illegal wildlife trade, Brazil.

David Perpinan / Slow motion clip of a Wasp spider (Argiope bruennichi) wrapping a grasshopper in silk, Cuenca, Castile-La Mancha, Spain, August.

David Perpinan / Common rock sparrow (Petronia petronia) feeding chicks in nest, filmed using an infra-red camera, Cuenca, Castile-La Mancha, Spain, June.

David Perpinan / Common rock sparrow (Petronia petronia) chick exploring outside nest, Cuenca, Castile-La Mancha, Spain, June.

David Perpinan / Adult Common rock sparrow (Petronia petronia) feeding chicks, Cuenca, Castile-La Mancha, Spain, June.

David Perpinan / Female Rock sparrow (Petronia petronia) feeding chick inside nest, filmed with an infrared camera, Spain, June.

David Perpinan / Oystercatcher (Haematopus ostralegus) incubating eggs on nest, alarm calling as a predator flies overhead, Scotland,UK, June.

David Perpinan / Rock sparrow (Petronia petronia) feeding chick outside nest, Spain, June.

David Perpinan / Catalan Chub (Squalius laietanus), Besos river, Barcelona, Spain, June.

David Perpinan / Domestic sheep investigating sheep carcass, Cuenca, Spain, April.

David Perpinan / Domestic sheep investigating sheep carcass before walking away, Cuenca, Spain, April.

David Perpinan / Cuckoo bee (Melecta albifrons) taking pollen from a nest of a Solitary bee (Anthophora romandii), Barcelona, Spain, May. Controlled conditions.

David Perpinan / Cuckoo bee (Melecta albifrons) leaving nest entrance of Solitary bee (Anthophora romandii) and flying away, Barcelona, Spain, April.

David Perpinan / Pair of Migratory locust (Locusta migratoria) mating and then falling off branch, Barcelona, Spain, March.

David Perpinan / Timelapse of clouds moving over mountains, Pyrenees, Spain, February.

David Perpinan / Hoverfly (Syrphidae sp.) nectaring from a white-leaved rock rose (Cistus albidus), Barcelona, Spain, April.

David Perpinan / Spider Wasp (Dipogon variegatus) emerging from burrow entrance, Barcelona, Spain, April.

David Perpinan / Desert ants (Cataglyphis iberica) excavating a new colony nest, bringing soil to surface, Barcelona, Spain, April.

David Perpinan / Desert ants (Cataglyphis iberica) excavating a new colony nest, bringing soil to surface, Barcelona, Spain, April.

David Perpinan / Desert ants (Cataglyphis iberica) excavating a new colony nest, bringing soil to surface, Barcelona, Spain, April.

David Perpinan / Bumblebee (Bombus sp.) nectaring on White -leaved rock rose (Cistus albidus) flower, Barcelona, Spain, April.

David Perpinan / Bumblebee (Bombus sp.) nectaring on White-leaved rock rose (Cistus albidus) flower, Barcelona, Spain, April.

David Perpinan / Male Solitary bee (Anthophora romandii) flying, attempting to land and mate with female, Barcelona, Spain, March.

David Perpinan / Pair of Solitary bees (Anthophora romandii) mating, Barcelona, Spain, March.

David Perpinan / Pair of Solitary bees (Anthophora romandii) mating, Barcelona, Spain, March.

David Perpinan / Multiple Solitary bees (Anthophora romandii) mating, Barcelona, Spain, March.

David Perpinan / Pair of Solitary bees (Anthophora romandii) mating, male leaves and other males tries to copulate with female, Barcelona, Spain, March.

David Perpinan / Pair of Solitary bees (Anthophora romandii) mating, Barcelona, Spain, March.

David Perpinan / Male Solitary bee (Anthophora romandii) nectaring from a Rosemary (Salvia rosmarinus) flower, Barcelona, Spain, March.

David Perpinan / Male Solitary bee (Anthophora romandii) taking nectar from Grape hyacinth (Muscari neglectum) flowers, Barcelona, Spain, March.

David Perpinan / Solitary bees (Anthophora romandii) mating when another male lands to investigate before flying away, Barcelona, Spain, March.