New study offers answers for why tropical birds are more colorful

New study offers answers for why tropical birds are more colorful

“The closer one gets to the tropics, the greater the variety of structures, graceful forms and color combinations.” Such were the words of German naturalist, geographer and explorer Alexander von Humboldt (1769-1859), one of the founders of the school of biogeography. During his extensive travels in the Americas in the early 19th century, Humboldt noticed […]

Read More

Migrating turtles don’t really know where they’re going, study shows

Migrating turtles don’t really know where they’re going, study shows

How migrating animals like sea turtles navigate hundreds to thousands of kilometres across the open ocean has intrigued biologists since Charles Darwin. But some sea turtles might not really know where they’re going, new research suggests. Analysis by an international team of scientists has mapped the movements of hawksbill turtles as they swam from their […]

Read More

Darwin’s hypothesis that birds’ feathers get more colorful closer to the equator proved by researchers

Darwin’s hypothesis that birds’ feathers get more colorful closer to the equator proved by researchers

If you’ve ever traveled to a tropical location, you’ve probably noticed that the birds’ feathers are brighter than in other regions of the world. The hue of a bird’s plumage appears to vary depending on latitude. Phys.org reported that three European scientists who went on expeditions to the tropics during the 1800s — English naturalist […]

Read More

Australia confirms extinction of 13 more species, including first reptile since colonisation

Australia confirms extinction of 13 more species, including first reptile since colonisation

The Australian government has officially acknowledged the extinction of 13 endemic species, including 12 mammals and the first reptile known to have been lost since European colonisation. The addition of the dozen mammal species confirms Australia’s unenviable position as the world’s capital for mammal extinction, lifting the total number of mammals known to have died […]

Read More