ink

Monitor lizard Varanus species pen and ink

Rainbow agama lizard Agama agama pen and ink

Pen and ink illustration of the Spot nosed monkey Cercopithecus nictitans, seated with hands in front of it, gazing off into the distance

Pen and ink Jaguar Panthera onca illustration showing the big cat lounging in a tropical tree looking down at the viewer

Dray horse pen and ink sketch showing a horse in harness with the full complement of horse brasses and regalia and long mane with blinkers on

Illustration of an African forest elphant in pen and ink, looking at the viewer, cut to white.

Zebra shark Stegostoma fasciatum

Sandbar shark Carcharhinus plumbeus

Sandtiger shark Carcharias Taurus

Seahorse family diagram showing pipefish, leafy seadragon, and other syngnathidae

Atlantic stingray Dasyatis sabina view from above and from below

Comparison of the teeth of different shark species including megalodon, great white, sandtiger, brown, cow, nurse, zebra, and sharpnose shark

Diagram of different simplified fish shapes

Diagram of fishing methods

Elasmobranch (Rays, Dogfish, skates and Sharks) egg case variety

Electroreception in the Hammerhead Sphyrnidae shark diagram with inset of ampullae of Lorensini and hidden prey

European Rockpool diagram showing lots of shoreline crustaceans, bivalves, anenomes, and gastropods, sea weeds, and background

Fish anatomy diagram simplified exterior and interior cross section view

Nurse shark Ginglymostoma cirratum

Ink drawing showing different trees, vines, and lianas in a tropical African forest such as in Ghana

Wetland chalk meadow with stream running through it, flooded meadow withflowers and wild vegetation on the banks

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

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

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