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Birds-of-paradise range in size from the king bird-of-paradise at 50 g (1.8 oz) and 15 cm (5.9 in) to the curl-crested manucode at 44 cm (17 in) and 430 g (15 oz). The male black sicklebill , with its long tail, is the longest species at 110 cm (43 in).
The loggerhead shrike (Lanius ludovicianus) is a passerine bird in the family Laniidae. It is the only member of the shrike family endemic to North America ; the related northern shrike ( L. borealis ) occurs north of its range, however it is also found in Siberia.
In 1977, the San Clemente loggerhead shrike was listed as endangered by the United States government, with an estimated population of 50. [2] Between 1982 and 1999, the bird's population was measured between 14 and 33 birds, bottoming out in January 1998. [10] [9] The removal of feral goats and sheep was completed in 1993. [9]
When conservation efforts began on Cyprus in 1978 there were just 300 turtle nests -- the population has grew to around 1,100 nests last year.
Endangered (EN) species are considered to be facing a very high risk of extinction in the wild. In December 2019, the International Union for Conservation of Nature (IUCN) listed 460 endangered avian species. [1] Of all evaluated avian species, 4% are listed as endangered. No subpopulations of birds have been evaluated by the IUCN.
According to the International Union for Conservation of Nature (IUCN), 77 bird species in the United States are threatened with extinction. [1] The IUCN has classified each of these species into one of three conservation statuses: vulnerable VU, endangered EN, and critically endangered CR (v. 2013.2, the data is current as of March 5, 2014 [1]).
This week's featured article is "The Endangered Species Act at 50" by Tate Watkins. This audio was generated using AI trained on the voice of Katherine Mangu-Ward .
Eight of the extinct bird species were found in Hawaii, including the Po`ouli, which was last seen in 2004. The Po`ouli is the most recently seen species of all 21 animals on the list.