Marine iguanas have a nasal gland that filters excess salt from their blood and expels it in a sneeze-like fashion ...

In 2016 the warm waters led to reduced amounts of the algae the larger marine iguanas forage for in the sea. The short, blunt nose of the marine iguana is adapted to feeding on algae that grow on ...

Despite their social nature, marine iguanas are territorial during the breeding season, with males defending territories from other males. Their most remarkable behaviour is their ability to dive into ...