Why do giraffes have such long necks?
To be able to eat the leaves at the top of the trees?
This is undoubtedly the most spontaneous answer to this question, and it is this hypothesis that the French naturalist Jean-Baptiste de Lamarck had himself put forward to explain the particular shape of the neck of the giraffe.
But the question continues to divide specialists.
Some are much more convinced by the "neck for sex" hypothesis, which holds that the neck of the giraffe has lengthened over the ages for reasons related to breeding selection.
The discovery of bones of a very ancient cousin of the giraffe brings some additional arguments to Lamarck's opponents.
Read also
Heading for a confidential Tanzania, in the footsteps of wildlife
Published in the journal
Science
on June 3, the work of a team from the Chinese Academy of Sciences describes in detail the anatomy of the head and neck of an ancestor of our current giraffe, unearthed in the north of China.
Baptized
Discokeryx xiezhi
, this species of giraffidae would have lived…
This article is for subscribers only.
You have 80% left to discover.
Pushing back the limits of science is also freedom.
Keep reading your article for €0.99 for the first month
I ENJOY IT
Already subscribed?
Login