Title: Pengana
Content: name "flexiraptor" was coined to reflect this ability. Pengana Pengana robertbolesi, also referred to as the flexiraptor, is an extinct bird of prey that lived during the Early Miocene (23–16 million years ago). Living relatives of "P. robertbolesi" may include the harriers. When alive, it may have resembled a cross between the secretary bird and crested caracara. Its remains were found in Riversleigh, Queensland, Australia. "P. robertbolesi" is only known from a tibiotarsus (ankle bone). However, this is of most peculiar construction, allowing the leg to be swivelled backwards and sideways. The bird was thus well adapted to reaching into

Title: Jeholornis
Content: "Confuciusornis", and "Jeholornis" would not have been able to lift their arms vertically to achieve true flapping flight, though semi-powered gliding or parachuting would have been possible. Examination of the claw curvature in "Jeholornis" suggests it may have been able to perch and may have been at least partly arboreal, spending much of its time in trees. One key adaptation of modern perching birds is the reversed, opposable first toe, or "hallux." "Jeholornis" was initially described as having a reversed hallux, though others cast doubt on this interpretation, noting that the reversed appearance could be an artifact of the way

Title: Reverse migration (birds)
Content: attempting the long migration flight. Reverse migration (birds) Reverse migration also called reverse misorientation is a phenomenon in bird migration where a bird will fly in the opposite direction of what is species typical during the migration time. If a bird sets off in the opposite direction, shown by the orange arrow, it will end up in Western Europe instead of South East Asia. This is a mechanism that leads to birds such as Pallas's warbler turning up thousands of kilometres from where they should be. Keith Vinicombe suggested that birds from east of Lake Baikal in Siberia (circled) could

Title: Black-rumped flameback
Content: to provide support against tree trunks, and zygodactyl feet, with two toes pointing forward, and two backward. The long tongue can be darted forward to capture insects. Leucistic birds have been recorded. Two specimens of male birds from the northern Western Ghats have been noted to have red-tipped feathers on the malar region almost forming a malar stripe. A female specimen from Lucknow has been noted to have grown an abnormal downcurved hoopoe-like bill. This flameback is found mainly on the plains going up to an elevation of about 1200m in Pakistan, India south of the Himalayas and east till

Title: Reverse migration (birds)
Content: Reverse migration (birds) Reverse migration also called reverse misorientation is a phenomenon in bird migration where a bird will fly in the opposite direction of what is species typical during the migration time. If a bird sets off in the opposite direction, shown by the orange arrow, it will end up in Western Europe instead of South East Asia. This is a mechanism that leads to birds such as Pallas's warbler turning up thousands of kilometres from where they should be. Keith Vinicombe suggested that birds from east of Lake Baikal in Siberia (circled) could not occur in western Europe

Question: Which are the only birds able to fly backwards?
Answer: Hummingbirds