Typically, females appear less colorful than males; this adaptation helps protect females from predators. Such an adaptation is important considering that females are usually the primary parents.

5 QUETZAL SPECIES FLYING IN CENTRAL AND SOUTH AMERICA ... Crested Quetzals, with their vibrant colors, inhabit Andean montane forests, nesting in tree cavities amidst dense canopies.

If there is a quetzal to be found, it will be Fernández’s trained eye that spots it. Even having grown up surrounded by quetzals, the birds still fascinate Fernández. Still scanning the trees he tells ...

In South America, which is home to the Amazon Rainforest, 3,356 out of the 13,668 assessed tree species are at risk of extinction due to deforestation for crop farming and livestock ranching.

More than a third of all tree species worldwide face extinction, threatening ecosystems, plants, animals and economies around the world, experts warned Monday. In all, 38% of trees are at risk ...

Reich thinks the estimate of 73,300 tree species globally may be a few thousand too low, because there are many parts of the world where there is almost no reliable tree data even at the scale of ...

The reason why so many tree species can coexist in species-rich forests has long been a subject of debate in ecology. This question is key to understanding the mechanisms governing the dynamics ...

In South America, which is home to the Amazon Rainforest, 3,356 out of the 13,668 assessed tree species are at risk of extinction due to deforestation for crop farming and livestock ranching.