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A Jabiru stork at the Crooked Tree Wildlife Sanctuary


Latest Press Coverage

Animals Are Running Out of Places to Live

33%, 45%, even upwards of 60% – these are the staggering amounts of suitable habitat some species have lost in the past two decades alone, leaving them struggling to cling on in a dramatically changing world.

This habitat change data, calculated by the Map of Life as part of our Species Habitat Index, was featured prominently in a recent New York Times article “Animals Are Running Out of Places to Live."


Some of the species featured in the NYT article. Photo Credits: White-Fronted Brown Lemur – Frank Vassen via Flickr, CC BY 2.0; Honduran White Bat – Leyo via Wikimedia, CC BY-SA 2.5 CH; Shining Honeycreeper – Jan Axel via Wikipedia, CC BY 3.0; Abah River Flying Frog – Thai National Parks, CC BY-SA 2.0

“Can we find a way to share the planet with the rest of its inhabitants?” rings the plea from the article, which shares the faces of those species facing the most severe habitat loss – species like the miniscule Honduran White Bat, which has suffered a 53% loss of suitable habitat area and a 46% decrease in habitat connectivity since 2001, and the Madagascar-endemic White-Fronted Brown Lemur, which has lost 40% and 36% of its habitat area and connectivity, respectively.

Screenshot from Map of Life.

The Species Habitat Index is one among our suite of biodiversity indicators that measures annual, species-level change in habitat as well as nationally-aggregated indices. Fusing remotely sensed environmental layers with species occurrence, distribution, and trait data, we calculate the change in suitable habitat area and connectivity for tens of thousands of terrestrial vertebrate species over two decades to track how ecosystem integrity and species populations change over time. The Species Habitat Index addresses Goal A of the Convention on Biological Diversity’s Post-2020 Global Biodiversity Framework:

Goal A: The integrity of all ecosystems is enhanced, with an increase of at least 15 per cent in the area, connectivity and integrity of natural ecosystems, supporting healthy and resilient populations of all species, the rate of extinctions has been reduced at least tenfold, and the risk of species extinctions across all taxonomic and functional groups, is halved, and genetic diversity of wild and domesticated species is safeguarded, with at least 90 per cent of genetic diversity within all species maintained.

The NYT article highlights the crucial decisions currently underway at the COP15 in Montreal, where BGC Center members are leading conversations about the implementation of the biodiversity indicators for national monitoring and conservation decision making.

Read the full article on the New York Times and learn more about the Species Habitat Index at here.

World’s biodiversity maps contain many gaps, Yale study finds

As the world’s nations prepare to set new goals for protecting biodiversity, Yale researchers have identified where data gaps continue to limit effective conservation decisions.

In a new study, a team of researchers created maps and assessed regional trends in how well existing species data are able to represent the distribution of 31,000 terrestrial vertebrates worldwide and therefore help inform policies and actions for sustaining biodiversity and its benefits.

“These maps highlight the most rewarding opportunities for citizen scientists, and government agencies, and scientists to support biodiversity monitoring and help close critical knowledge gaps,” said Walter Jetz, professor of ecology and evolutionary biology and of the environment, director of the Yale Center for Biodiversity and Global Change (BGC), and senior author of the paper.

The study was published Aug. 10 in the journal PLOS Biology.

The need for such information is critical as environmental and policy leaders continue to create strategies to protect species diversity worldwide as part of the Convention on Biological Diversity, an international treaty with the aim of conserving and managing global biodiversity which is assessing progress towards those goals.

Jetz and his team have created one of the key tools used by world leaders to monitor, research, and create policies that protect species worldwide — the Map of Life.

In the new study, the researchers present a framework to help pinpoint where additional monitoring is most needed. While there has been a dramatic increase in the amount of data collected on vertebrate species in the past 20 years, they find, not all of this data has yielded new insights on biodiversity. For instance, data on bird species shared by citizen scientists and others tend to be redundant due to the popularity of certain species commonly found in highly populated areas. Most new data collected on birds are from the same species and places.

The analysis was conducted by Yale’s Ruth Oliver, an associate research scientist at the Center for Biodiversity and Global Change, Jetz, and colleagues.

Alarmingly, the study finds that data critical for characterizing biodiversity in many countries has levelled off or, in some cases, even decreased. According to the analysis, 42% of countries have inadequate information on vertebrate biodiversity and have seen either no increase or a decrease in data coverage. Only 17% of countries have achieved sufficient data coverage and also seen an increase in new information on species.

“We hope our work quantifying the tremendous complementary value of observations of underreported biodiversity can support more effective data collection going forward,” Oliver said. “It’s amazing how much we still don’t know about the known species on this planet.”

While the indices used in the study were used to demonstrate the biological diversity of terrestrial vertebrates, they can be readily updated as new data becomes available and expanded to other taxa, such as marine and invertebrate species. This work is supported by the Map of Life team and the results are available for exploration at

View the article on Yale News

Itching to discover a new species? Follow this map

Ecologists involved in mapping all life on Earth have now taken the next step: predicting where the life we don’t know about is waiting to be discovered. As a first pass, they have created an interactive map showing diversity hot spots with the richest potential for new mammal, bird, reptile, and amphibian species. They describe their results today in Nature Ecology & Evolution.

“Unknown species are usually left out of conservation planning, management, and decision-making,” says co-author Mario Moura, an ecologist at the Federal University of Paraíba. “If we want to improve biodiversity conservation worldwide, we need to better know its species.”

It never sat well with Moura that an estimated 85% of Earth’s species are still undescribed. So, in 2018, this newly minted Ph.D. in ecology teamed up with ecologist Walter Jetz at Yale University to come up with a way to better predict where those unknowns are. “The chances of being discovered and described early are not equal among species,” Moura explains. For example, large mammals living near people are much more likely to have been documented by scientists than tiny frogs living in a remote jungle.

View the article on Science

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Latest Blog Posts

Map of Life Rapid Assessments Team one of six Finalists for XPRIZE Rainforest

Sunday, July 23, 2023
Two members of the field team at the XPRIZE Rainforest Semifinals in Singapore. Photo credit: Cat Kutz/XPRIZE. It was a whirlwind of a week full of tweaking and fine-tuning for the Map of Life Rapid Assessments team during the XPRIZE Rainforest Semifinals competition. Backed by a fleet of semi-autonomous drones, remotely connected local species experts, and the Map of Life biodiversity platform, the team identified more than 150 unique species in Singapore’s central rainforest, propelling them to the Finals stage of the competition. “I was so excited to hear the news that we had made it to the finals,” said Kalkidan Fekadu Chefira, a software engineer on the team. “I am honored to be a part of this team and the competition to help make impactful contributions in the field of biodiversity sampling and rainforest ecosystems.” XPRIZE Rainforest is a global 5-year, $10 million competition to enhance our understanding of tropical rainforest ecosystems around the world. Incentivizing teams to innovate rapid and ... read more »

Biodiversity Indicators featured in Esri’s ArcNews Spring Newsletter

Thursday, April 6, 2023
ArcNews Scientific Currents banner image. BGC members co-authored an article for Esri’s ArcNews Spring Newsletter titled “There’s Hope for Achieving New Biodiversity Targets.” In this article, which is featured in the Scientific Currents column, we discuss the importance of the adoption of biodiversity indicators in a Monitoring Framwork alongside the goals and targets set forth by the Global Biodiversity Framework (GBF) and convey our hopes that these indicators, which include the Species Habitat, Protection, and Information Indices developed at the BGC, will help countries around the world measure and track their progress towards meeting the goals of the GBF. Read the full article on the ArcNews website here. read more »

BGC Guest-Authored Article Published on the Google Earth Blog

Wednesday, December 21, 2022
A conceptual diagram showing the synergy of the three biodiversity indicators: the Species Habitat, Protection, and Information Indices. BGC members co-authored a guest article on the Google Earth Engine Medium blog detailing the adoption of the Map of Life Biodiversity Indicators into the Global Biodiversity Monitoring Framework. Excerpt: “We are running out of time to conserve the world’s biodiversity — but the gig is not up yet. Ambitious conservation targets set forth by the Post-2020 Global Biodiversity Framework (GBF), signed earlier this week in Montreal, have instilled hope around the world as countries, organizations, and researchers unite to put biodiversity on the global agenda. With the GBF goals now in place, there is an urgent need to support local communities, governments, and businesses in their progress toward achieving the framework’s ambition.” Read the full article here. read more »
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