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In the late 1940s, a large, abrupt decline of prey birds came about. [6] On top of the pre-WWII causes of gradual decrease of population (e.g. shooting of birds, egg collecting, predators, etc.), the main component to the downfall was the popular use of an insecticide called DDT . [ 6 ]
All three use live raptors as an avenue for promoting conservation of birds of prey and their habitat. The interpretive center draws approximately 30,000 visitors annually. Velma Morrison (1920–2013) was the second wife and widow of Harry Morrison (1885–1971), co-founder of Morrison-Knudsen Corporation.
Birds of prey or predatory birds, also known as (although not the same as) raptors, are hypercarnivorous bird species that actively hunt and feed on other vertebrates (mainly mammals, reptiles and other smaller birds).
National Geographic, with Alderfer, Paul Hess, and Noah Strycker, also published National Geographic Backyard Guide to the Birds of North America in 2011. A second edition was released in 2019. Like the pocket guide, this guide is 256 pages and outlines the 150 most common yard birds in North America.
Bird collections are curated repositories of scientific specimens consisting of birds and their parts. They are a research resource for ornithology, the science of birds, and for other scientific disciplines in which information about birds is useful. These collections are archives of avian diversity and serve the diverse needs of scientific ...
The successful and now widespread captive breeding of birds of prey began as a response to dwindling wild populations due to persistent toxins such as PCBs and DDT, systematic persecution as undesirable predators, habitat loss, and the resulting limited availability of popular species for falconry, particularly the peregrine falcon. The first ...
The International Centre for Birds of Prey (ICBP), formerly the National Birds of Prey Centre, in the United Kingdom houses a large collection of birds of prey with over 60 species of owls, eagles and hawks. It works towards the conservation of birds of prey through education, captive breeding, research and rehabilitation.
Most note that they are a "Guide to Field Identification" on the cover. To go more in-depth and intended as both identification and educational, most of the Field Guides limited themselves to North America, while the Golden Guides were usually worldwide. The series, updated, was relaunched in 2001 as "Golden Field Guides by St. Martin's Press".