18.https   www inaturalist org photos 2553912
Martin Grimm   cc-by-nc-4.0

Dendroaspis angusticeps (Common mamba) is a species of snakes in the family Elapids. It is found in the Afrotropics. Individuals are known to live for 18.8 years.

EOL has data for 7 attributes, including:

Known occurrences, collected specimens and observations of Common mamba