![Trunk cross section and African Elephant head Loxodonta africana](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Trunk cross section and African Elephant head Loxodonta africana
Trunk cross section showing muscle bundles, set within the head of the African Elephant head Loxodonta africana. (See also “Adrican elephant head” for the accompanying illustration) Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books)
![African Elephant head Loxodonta africana](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
African Elephant head Loxodonta africana
African elephant head with trunk raised. (See also “Trunk cross section with African Elephant” for the accompanying illustration.) Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books).
![Blue mussels Mytilus edulis](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Blue mussels Mytilus edulis
Blue mussels Mytilus edulis with byssal threads on wooden piling. Illustration includes barnacles and limpets, and some bladder wrack seaweed. Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books).