Five observations that Darwin made about the Amblyrhynchus lizards are:
The Amblyrhynchus lizards are cold-blooded.
These lizards are the only iguanas that dwell in the ocean
They have the ability to remove sea salt from their body with the use of their salt glands which is connected and found in the nostrils.
The Amblyrhynchus lizards are found to be eating feces of certain species.
They position themselves in order for their body to absorb sun light with the use of their skin.
