![Scots pine Pinus sylvestris cone and needles](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Scots pine Pinus sylvestris cone and needles
Scots pine Pinus sylvestris cone and needles. Pen and ink illustration with top colour.
![Downy birch Betula pubescens (colour)](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Downy birch Betula pubescens (colour)
Downy birch Betula pubescens pen and ink illustration with watercolour top wash.
![Sessile Oak tree Quercus petraea](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Sessile Oak tree Quercus petraea
Sessile Oak tree Quercus petraea showing habit and twisted branches
![Spotted hyena Crocuta crocuta](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Spotted hyena Crocuta crocuta
Spotted hyena Crocuta crocuta with leg bone of giraffe
![Anting Green woodpecker Picus viridis](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Anting Green woodpecker Picus viridis
Green woodpecker Picus viridis anting for parasite removal
![Feeding Greater Spotted woodpecker Dendrocopos major](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Feeding Greater Spotted woodpecker Dendrocopos major
Greater Spotted woodpecker Dendrocopos major seeking food. Using its beak to pry under areas of bark, the woodpecker looks for small insects.
![Digestive system of bird](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Digestive system of bird
Digestive system of bird using domestic chicken, in diagram format, with close up of gizzard
![Car crushed by a tree](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Car crushed by a tree
Car crushed by a fallen pine tree. Illustration shows secondary crushing forces in nature.
![Bighorn sheep Ovis canadensis](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Bighorn sheep Ovis canadensis
Bighorn sheep Ovis canadensis fighting, using his horns to charge at a mating rival.
![Comparison of Beak use in Darwin’s Finches](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Comparison of Beak use in Darwin’s Finches
Comparison of Beak use in Darwin’s Finches. Stippled illustration showing singing, feeding, and preening.
![Beak comparison in Darwin’s finches](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Beak comparison in Darwin’s finches
Beak comparison in Darwin’s finches showing use feeding, singing, and preening. Line drawing.
![Singing Darwins Finch Geospiza fuliginosa](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Singing Darwins Finch Geospiza fuliginosa
Singing Darwin’s Finch Geospiza fulginosa showing beak in use.
![Singing Darwins Finch Geospiza fuliginosa](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Singing Darwins Finch Geospiza fuliginosa
Singing Darwins Finch Geospiza fuliginosa. Line drawing showing Galapagos finch and beak use.
![Bird preening Darwins Finch Geospiza magnirostris](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Bird preening Darwins Finch Geospiza magnirostris
Bird preening Darwins Finch Geospiza magnirostris line drawing showing the beak in use in parasite removal
![Preening Darwin’s Finch Geospiza magnirostris](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Preening Darwin’s Finch Geospiza magnirostris
Preening Darwins Finch Geospiza magnirostris line drawing showing the beak in use in parasite removal
![Darwins Finch Geospiza magnirostris eating a Tribulus seed](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Darwins Finch Geospiza magnirostris eating a Tribulus seed
Darwins Finch Geospiza magnirostris with Tribulus seed. Stippled illustration showing beak adaptability.
![Darwin’s Finch Geospiza magnirostris with Tribulus seed](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Darwin’s Finch Geospiza magnirostris with Tribulus seed
Darwin’s Finch Geospiza magnirostris with Tribulus seed (line drawing)
![Balsam poplar Populus balsamifera catkins fruit and leaves](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Balsam poplar Populus balsamifera catkins fruit and leaves
Balsam poplar Populus balsamifera catkins fruit and leaves with annotations within a border Illustration from “The Treeline: The last forest and the future of the planet” by Ben Rawlence (publ. Jan 2022)
![Rocky shore community Annotated rough](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Rocky shore community Annotated rough
Rocky shore community Annotated rough. From “The Hidden Universe” by Alexandre Antonelli
![Mulberry Morus nigra ink & colour](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Mulberry Morus nigra ink & colour
Mulberry Morus nigra berries and leaf, colour on pen and ink drawing
![Rowan Sorbus acuparia groenlandica details with text](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Rowan Sorbus acuparia groenlandica details with text
Rowan Sorbus acuparia groenlandica flowers berries leaves, annotated in a layout Illustration from “The Treeline: The last forest and the future of the planet” by Ben Rawlence (publ. Jan 2022)
![Dahurian larch Larix gmelinii details in layout with text](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Dahurian larch Larix gmelinii details in layout with text
Dahurian larch Larix gmelinii cones flowers and needles in layout with text Illustration from “The Treeline: The last forest and the future of the planet” by Ben Rawlence (publ. Jan 2022)
![Yew Taxus baccata flower details layout](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Yew Taxus baccata flower details layout
Yew Taxus baccata Female and male flowers and berries on branch with text and layout Illustration from “The Treeline: The last forest and the future of the planet” by Ben Rawlence (publ. Jan 2022)
![Scots pine Pinus sylvestris layout with text](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Scots pine Pinus sylvestris layout with text
Scots pine Pinus sylvestris Female strobile male flowers cone and sprig layout with text Illustration from “The Treeline: The last forest and the future of the planet” by Ben Rawlence (publ. Jan 2022)