Bird extinction - Wikipedia
Bird extinction is the complete elimination of all species members under the taxonomic class, Aves. Out of all known bird species, (approximately 11,154), 159 (1.4%) have become extinct, …
Nearly 3 Billion Birds Gone - Birds, Cornell Lab of Ornithology
An alarming new study reveals that the population of North American birds has dropped nearly 30% since 1970. That’s almost three billion birds gone. Vanished from our forests, grasslands, …
More Than Half of U.S. Birds Are in Decline, Warns New Report
2022年10月12日 · Swift conservation action can bring at-risk birds back from the brink of extinction. The report emphasizes the necessity of these efforts for 90 “On Alert” bird species, …
Humans May Have Driven Twice as Many Bird Species to Extinction …
2023年12月20日 · Humans have likely driven 1,430 bird species to extinction—twice as many as previously estimated, according to new research. Scientists used statistical modeling to …
Bird extinctions have a greater impact than we think
2024年10月3日 · Researchers predict that around 1,305 bird species could go extinct over the next 200 years. Islands are still expected to be more heavily impacted, but we may see this …
Humans have wiped out 1,400 bird species with ‘cascading …
2024年1月2日 · Humans have wiped out around 1,400 bird species - double the amount previously thought - a recent study has found. This amounts to one in nine or 12 per cent of …
North America Has Lost More Than 1 in 4 Birds in Last 50 Years, …
2019年9月19日 · It estimates that North America is home to nearly three billion fewer birds today compared to 1970—that’s more than 1 in 4 birds that have disappeared from the landscape in …
Humans might have driven 1,500 bird species to extinction — …
2023年12月19日 · Over centuries, humans have triggered waves of extinctions among birds and other animals through land clearing, hunting and introducing non-native species. Islands have …
Undiscovered bird extinctions obscure the true magnitude of …
2023年12月19日 · Here, the authors combine recorded extinctions with estimates from the fossil record to suggest that ~1400 bird species have gone extinct since the Late Pleistocene.
State of the World’s Birds 2022 paints most concerning picture for ...
2022年9月28日 · One in eight species (or 1,409 species in total) are now threatened with extinction. Nearly three billion birds are estimated to have been lost since 1970 in North …