Some scientists estimate around 2 million animal and plant species inhabit Earth. Others approximate around 8 million. Bug experts note there are probably some 5.5 million insects species alone ...

Even though the range of insect species far overshadows those of fish, amphibians, reptiles, birds and mammals, all of these groups contain impressive numbers. Mammals' 5,500 species might seem ...

ABSTRACT. The number of tree species on Earth. One of the most fundamental questions in ecology is how many species inhabit the Earth. However, due to massive logistical and financial challenges and ...

There has been an overwhelming drop in the number of wild bee species that are reported in public records over the past 30 years, according to a new study. Researchers looked at bee records in the ...

In the late 1980s, scientist Norman Myers coined the term "biodiversity hotspot" to refer to places with an exceptionally high number of species for their surface area.

Many species were able to tolerate some increases in maximum temperatures, but only up to a point. One-third of all animal and plant species on the planet could face extinction by 2070 due to ...

The most species-rich fungal communities are in tropical rainforests, new research confirms. The estimated global species richness of fungi, 1.5–5.1 million species, however, seems to be a vast ...

How climate change is impacting fall foliage 03:44. More than a third of all tree species worldwide face extinction, threatening ecosystems, plants, animals and economies around the world, experts ...

Global population trends among 71,000 animal species show nearly half are "sliding toward extinction," some of them at alarming rates, a new study warns. Researchers found 48% of the species in ...

Our estimate of the total global number of tree species fits with existing scientific knowledge and is in line with numbers theorized in earlier studies.” To improve the accuracy of their estimate, ...