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Bird Conservation
Bird conservation is a field in the science of conservation biology related to threatened birds. Bird conservation efforts aim to protect species and mitigate the decline of threatened bird population numbers. According to Worldwatch Institute, many bird populations are currently declining worldwide, with 1,200 species facing extinction in the next century. Current estimates imply a total of nearly 11,000 extant species, suggesting that 11.6% of all bird species, a near ratio of one in nine birds, have gone extinct over the last 126,000 years of human history. The biggest cited reason surrounds habitat loss. Other threats include overhunting, accidental mortality due to structural collisions, long-line fishing bycatch, pollution, competition and predation by pet cats, oil spills and pesticide use and climate change. Governments, along with numerous conservation charities, work to protect birds in various ways, including legislation, preserving and restoring bird habitat, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Upper Paleolithic Revolution
Behavioral modernity is a suite of behavioral and cognitive traits believed to distinguish current ''Homo sapiens'' from other anatomically modern humans, hominins, and primates. Most scholars agree that modern human behavior can be characterized by abstract thinking, planning depth, symbolic behavior (e.g., art, ornamentation), music and dance Dance is an The arts, art form, consisting of sequences of body movements with aesthetic and often Symbol, symbolic value, either improvised or purposefully selected. Dance can be categorized and described by its choreography, by its repertoir ..., exploitation of large Game (hunting), game, and Blade (archaeology), blade technology, among others. Underlying these behaviors and technological innovations are cognitive and cultural foundations that have been documented experimentally and ethnographically by evolutionary anthropology, evolutionary and cultural anthropology, cultural anthropologists. These human universal patterns in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
