Giravves (Umbrella Thorn)

Do giraffes make trees taller, or the trees make giraffes’ necks longer? This week, we cover the iconic umbrella thorn tree (Vachellia tortilis) of the African savannahs and talk about how evolution may or may not work. Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and become a Treemium Member Follow along on Instagram Find Arbortrary merch on our store Find additional reading on our website Cover art by Jillian Barthold Music by Aves and The Mini-Vandals See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.