How many Tyrannosaurus rex walked the Earth?

Tyrannosaurus rex (rex meaning “king” in Latin) lived throughout what is now western North America 68 to 66 million years ago, during the Upper Cretaceous period. Back then, there was a big island (an island continent) called “Laramidia” there. But, how many Tyrannosaurus rex walked the Earth? At the same time, and in total? Ashley …

Regrowing a tropical forest – is it better to plant trees or leave it to nature?

David Burslem, University of Aberdeen; Christopher Philipson, Swiss Federal Institute of Technology Zurich, and Mark Cutler, University of Dundee The destruction of tropical forests is a major contributor to biodiversity loss and the climate crisis. In response, conservationists and scientists like us are debating how to best catalyze the recovery of these forests. How do …

Why Crocodiles today look the same as they did 200 million years ago?

Max Stockdale, University of Bristol One of the most enduring tropes about crocodiles is to describe them as “living fossils”. They are cold, slow-moving, and scaly, so they look like how one might picture a dinosaur. Like many clichés, there is an element of truth to this comparison. The crocodiles from 200 million years ago …

Top 5 Places that require bird control

Today, pigeons have made themselves feel at home in the cities like New York, but they actually belong to the seaside cliffs in the rest of the world where they were domesticated thousands of years ago. They were farmed for protein at first, like chicken. Then they were bred as messengers. In around the 16th …

20 Amazing Snow Leopard Facts

The snow leopard (Panthera uncia), also known as the ounce, is a large cat and one of the five species classified in the genus Panthera, others being the lion (Panthera leo), tiger (Panthera tigris), jaguar (Panthera onca), and leopard (Panthera pardus). It is native to the mountain ranges of Central and South Asia. Here are …

Endangered Species Around the World

According to the IUCN Red List of Threatened Species, currently, 27% of all assessed species are threatened with extinction, which means more than 31,000 in numbers! In the last 250 years, 571 species have been confirmed extinct. Have you ever wondered how so many species have become endangered? There are many reasons but to name …