Grey Falcon

The grey falcon (Falco hypoleucos) is a medium-sized falcon native to Australia, possibly the rarest. It is uncommon throughout its range and is currently classified as Vulnerable. == Taxonomy == The description of the species was published by John Gould, based on a specimen obtained from Lockier Burges, a pastoralist at York, Western Australia, who provided it to the collector John Gilbert. Gould's description was issued in the fifth volume (1841) of The Birds of Australia, and was accompanied by a lithograph produced by Elizabeth Gould, rendered shortly before her early death. The specimen obtained from Burges, mentioned in Gilbert's report of September 1839, was later revealed to be an immature bird when another specimen was shot by Gilbert in 1842. This bird, found 60 kilometres north of Moore River, was larger and paler than the first Gilbert had supplied, and although he thought it may be an older bird he hopefully noted it as a possible new species. The explorer Charles Sturt also collected two specimens, and these were forwarded to Gould in England. Gould wrote an emended description and commissioned Henry Constantine Richter to produce a new plate, this was issued in the 1848 volume of the same…