Africa - Bird Diversity, Migration, Conservation | Britannica Africa - Bird Diversity, Migration, Conservation: South of the Sahara the birdlife includes nearly 1,500 resident species, to which must be added another 275 species that are either resident in northwestern Africa or else are Palaearctic winter migrants; the migrants once totaled perhaps two billion individuals, but their numbers have been reduced considerably by severe droughts and by human
Escape Routes Contemporary Perspectives on Life after . . . Escape Routes Contemporary Perspectives on Life after Punishment 1st Edition Stephen Farrall pdf download - Free download as PDF File ( pdf), Text File ( txt) or read online for free
Comprehensive assessment of bird species found in India The report contains a brief outline of the methods used to come up with the State of India’s Birds For those who would like to dig deep, a detailed methodology is available here: State of India’s Birds 2023: A framework to leverage semi-structured citizen science for bird conservation
Not Just Sparrows and Pigeons: Cities . . . - All About Birds In fact, at least 2,041 species—20 percent of all known bird species—live in the world’s cities, according to the research Unlike previous studies, which have focused on single cities or regions, this study spanned six continents, compiling data on birds from 54 cities and plants from 110 cities
Accelerated modern human–induced species losses . . . - Science The loss of biodiversity is one of the most critical current environmental problems, threatening valuable ecosystem services and human well-being (1–7) A growing body of evidence indicates that current species extinction rates are higher than the pre-human background rate (8–15), with hundreds of anthropogenic vertebrate extinctions documented in prehistoric and historic times (16–23)