mollusc decline – Desdemona Despair

The global Living Planet Index, 1970-2020. The LPI is based on 34,836 monitored populations of 5,495 vertebrate species. The white line represents the index value, and the shaded areas represent the statistical uncertainty surrounding the value. Graphic: WWF / ZSL

October 19, 2024

Global biodiversity report shows “catastrophic decline” in wildlife populations – “In just my lifetime, 50 years, we’ve seen a decline of 73 percent in the average size of these wildlife populations”

By Molly McCrea 18 October 2024 (CBS News) – A shocking new report on global biodiversity is detailing what it calls “a catastrophic decline” in wildlife populations ahead of a major international conference on biodiversity. On Monday, 21 October 2024, the United Nations will convene a two-week conference in Cali, Colombia called COP16. On the agenda […]

Two bird species that are extinct but not listed as such, for fear of committing the “Romeo Error”. Both species are still listed as Critically Endangered by IUCN because of the slim chance that one or more birds may still be alive. Such species are therefore not counted among extinct species, and vast sums of money are often spent in the vain hope that they will be found again. I Left: Eskimo curlew (Numenius borealis (Forster)), from Audubon (1827–1838: plate 208; Wikimedia Commons). Right: Bachman's warbler (Vermivora bachmani (Audubon)), from Audubon (1827–1838: plate 185 (detail); Creative Commons, Rawpixel). Graphic: Wikimedia Commons / Rawpixel

January 19, 2022

Earth on trajectory to Sixth Mass Extinction say biologists – “Including invertebrates is key to confirming that we are indeed witnessing the onset of the Sixth Mass Extinction in Earth’s history”

By Marcie Grabowski 14 January 2022 (UH News) – Mass biodiversity extinction events caused by extreme natural phenomena have marked the history of life on Earth five times. Today, many experts warn that a Sixth Mass Extinction crisis is underway, this time entirely caused by human activities. A comprehensive assessment of evidence of this ongoing […]

The distribution of threatened tree species, Critically Endangered, Endangered, or Vulnerable (CR, EN, and VU), in Europe. Data: European Red List of trees 2019. Graphic: IUCN

October 1, 2019

More than half of Europe’s endemic trees face extinction – “This report shows how dire the situation is for many overlooked, undervalued species that form the backbone of Europe’s ecosystems”

GLAND, Switzerland, 27 September 2019 (IUCN) – Over half (58 percent) of Europe’s endemic trees are threatened with extinction, according to assessments of the state of the continent’s biodiversity published today by the International Union for Conservation of Nature (IUCN). The introduction of invasive species, unsustainable logging and urban development are key threats causing the […]