Global Wildlife Decline

Vertebrate populations have fallen by half during the last 40 years, according to a report from the World Wildlife Fund.

Written byMolly Sharlach
| 2 min read

Register for free to listen to this article
Listen with Speechify
0:00
2:00
Share

Sea turtles are among the wildlife species whose populations have fallen dramatically during the past 40 years, according to the WWF report.WIKIMEDIA, CLAUDIO GIOVENZANA

Populations of vertebrate animals decreased by an average of 52 percent from 1970 to 2010, as measured by the Living Planet Index. The index, an analysis of 10,000 populations of more than 3,000 species, is part of the biennial “Living Planet Report” released yesterday (September 30) by the World Wildlife Fund (WWF).

WWF scientists examined worldwide populations of mammals, birds, reptiles, and fish, analyzing trends in marine, freshwater, and terrestrial environments. They found that freshwater populations experienced the greatest declines—an average of 76 percent. The report cites habitat degradation, along with hunting and fishing, as the major drivers of global wildlife declines, and notes that climate change is an increasing threat. The most dramatic drops were in tropical and low-income regions, tied to the high ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Related Topics

Meet the Author

Share
February 2026

A Stubborn Gene, a Failed Experiment, and a New Path

When experiments refuse to cooperate, you try again and again. For Rafael Najmanovich, the setbacks ultimately pushed him in a new direction.

View this Issue
Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter Logo
Conceptual multicolored vector image of cancer research, depicting various biomedical approaches to cancer therapy

Maximizing Cancer Research Model Systems

bioxcell

Products

Sino Biological Logo

Sino Biological Pioneers Life Sciences Innovation with High-Quality Bioreagents on Inside Business Today with Bill and Guiliana Rancic

Sino Biological Logo

Sino Biological Expands Research Reagent Portfolio to Support Global Nipah Virus Vaccine and Diagnostic Development

Beckman Coulter

Beckman Coulter Life Sciences Partners with Automata to Accelerate AI-Ready Laboratory Automation

Refeyn logo

Refeyn named in the Sunday Times 100 Tech list of the UK’s fastest-growing technology companies