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Wetland chalk meadow with stream running through it, flooded meadow withflowers and wild vegetation on the banks and a willow tree leaning across the stream

Ink landscape of the wetlands of the Okavango delta in Botswana showing palm trees, wetlands, and associated wildlife such as hippo, cranes, termite mounds, storks, and crocodile

Ink landscape of a peat bog upland with wading wetland birds including curlew, green plover or peewit, great northern diver, and golden plover in summer plumage all gathered around a shallow tarn or pool

Landscape of a reed bed with a cross section of the water in the forground and showing fish and amphibians living in the water, along with a close up of some microscopic aquatic invertebrates; in the sky hobby hunt for dragonfly and damselfly and swallows fly; otter, bittern, and water vole hide in the margins […]

Wetland landscape of a rice paddy with a farmer tending the rice plants in the flooded fields and with Cattle egret, White crane, palm trees, and women planting rice in the distance near a hut or shelter, mountains loom up behind the pastoral scene as the crane flies overhead

Landscape showing Yellow flag iris, meadowsweet, arrow root growing next to a stream wending its way through a meadow, Black and white.

Illustration incorporating lots of animals found in the African tropical rainforests of Ghana including monkey, hornbill, sunbird, bongo, jaguar, sunsquirrel, driver ant, pangolin, and moniter lizard

Vertebrate embryos comparing growth forms in chart form

Pen and ink coral reef sea scape showing different sorts of coral, jellyfish, octopus, distant islands, fish species, anenomes, hermit crabs, marine invertebrates, and distant shoals of fish in the warm and clear tropical seas

Stylized diagram of the duck egg showing chalaza, yolk, white, germination, membranes, and air pocket

Mallard duck Anas platyrhynchos female with four inquisitive ducklings, pen and ink drawing with the mother duck facing right and the four ducklings busy exploring behind her.

Dipper eating aquatic invertebrate

Stylized diagram of the development of a duck egg from being laid until after hatching Day one yolk held in place with chalaza, germinal disc where fertilized chick starts to grow

Stylized diagram of the development of a duck egg from being laid until after hatching day twelve feathers start to show eye covered with lid claws formed

Stylized diagram of the development of a duck egg from being laid until after hatching Day 27 hatchling squashed inside egg ready to hatch, air cell still shows

Stylized diagram of the development of a duck egg from being laid until after hatching day five embryo separates from the yolk, blood vessel network grows and branchesm eye starts to get a colour.

Stylized diagram of the development of a duck egg from being laid until after hatching day eight blood vessels carry waste and oxygen, eyelids start to cover eye, beak and egg tooth more clear.

Stylized diagram of the development of a duck egg from being laid until after hatching duckling hatching half in half out of shell with prominent egg tooth

Stylized diagram of the development of a duck egg from being laid until after hatching hatched duckling chick

Bird bone cross section showing cross bracing for strength and hollow structure

Stylized diagram of the internal organs and anatomy of a duck within a pen outline

Barn owl Tyto alba peering out from barn rafters

Black Casqued Hornbill Ceratogymna atrata