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Karyotype data indicate the accipitrids analysed are indeed a distinct monophyletic group. In the past the accipitrids have been variously divided into...

lineage leading to modern accipitrids diverged from that of the secretarybird (Sagittarius serpentarius) and the accipitrid species. The phylogeny of...

Anchigyps is an extinct genus of accipitrid that lived during the Late Miocene. Anchigyps voorhiesi is known from the Ash Hollow Formation of Nebraska...

especially rodents such as voles. It typically hunts from a perch. Like most accipitrid birds of prey, it builds a nest, typically in trees in this species, and...

Middle East. Verreaux's eagle is one of the most specialized species of accipitrid in the world, with its distribution and life history revolving around...

things further, some authors use "hawk" generally for any small to medium Accipitrid that is not an eagle. The common names of some birds include the term...

Africa. It is the largest and least populous of the five species of true accipitrid to occur as a breeding species in both the Palearctic and the Nearctic...

females can weigh from 7.5 to 14 kg (17 to 31 lb). It is the largest accipitrid and is thus one of the world's heaviest flying birds. Average weights...

Archaehierax is an extinct genus of accipitrid that lived during the Chattian stage of the Oligocene epoch. Archaehierax sylvestris is known from the Namba...

Garganoaetus is an extinct genus of buteonin accipitrid bird of prey from the early Pliocene in Italy. G. freudenthali was comparable in size to a golden...

Milvoides is an extinct genus of accipitrid that lived during the Lutetian stage of the Eocene epoch. Milvoides kempi is known from the Selsey Formation...

Eurasia. Like other eagles, it is a member of the family Accipitridae (or accipitrids) which also includes other diurnal raptors such as hawks, kites, and...

probably have had millions of years of separation from other extant forms of accipitrid. The Aquilinae consists of medium-sized to very large species. Modern...

owl from the early Eocene of North America (Aves, Strigiformes) with an accipitrid-like foot morphology". Journal of Vertebrate Paleontology. 40 (2) e1769116...

that dromaeosaurs killed their prey in a manner very similar to extant accipitrid birds of prey: by leaping onto their quarry, pinning it under their body...

scolopacid scolopacine E Eagle eaglet fledgling —N/a —N/a convocation aquiline accipitrid accipitrine Echidna puggle —N/a —N/a —N/a tachyglossid tachyglossine Eel...

owl from the early Eocene of North America (Aves, Strigiformes) with an accipitrid-like foot morphology". Journal of Vertebrate Paleontology. 40 (2) e1769116...

counted as a predator of merlins (Falco columbarius). The only confirmed accipitrid that Cooper's hawk have been known to prey upon is their smaller cousins...

This is a list of the bird species recorded in North Macedonia. The avifauna of the Republic of North Macedonia include a total of 328 species, none of...

Aviraptor is an extinct genus of small accipitrid bird of prey known from the Oligocene of Poland. It contains one species, Aviraptor longicrus. It was...

birds, rivalled by only the southern ground hornbill and some large accipitrids. Frigatebirds take many years to reach sexual maturity. A study of great...

"Phylogeny, Historical Biogeography and the Evolution of Migration in Accipitrid Birds of Prey (Aves: Accipitriformes)". Ornis Hungarica. 22: 15–35. doi:10...

The bald eagle has sometimes been considered the largest true raptor (accipitrid) in North America. The only larger species of raptor-like bird is the...

robustness (if slightly shorter in culmen length) to those of the largest accipitrids, the Old World vultures. Mature H. pelagicus eagles have mostly dark...

studied. This absence is proposed as a diagnostic feature. A study of accipitrid skeletons found procoracoid incisurae (as opposed to foramina) in some...

hawk-eagles, denotes a group of smallish eagles usually placed in the accipitrid subfamilies Buteoninae or Aquilinae. They are generally medium-sized birds...

owl from the early Eocene of North America (Aves, Strigiformes) with an accipitrid-like foot morphology, in: Journal of Vertebrate Paleontology, published...

secretarybird, the extinct raptor Apatosagittarius is thought to be an accipitrid. The International Ornithologists' Union has designated "secretarybird"...

proportionately large as those of accipitrids, but have stronger, more robust feet relative to their size. Accipitrids use their talons to inflict organ...

owls. In a long-term study of a block of Michigan, all nine species of accipitrid, falcon and owl that stayed to breed there were found to be primarily...

soaring and circle down to the ground to snatch it. Buteos are typical accipitrids in most of their breeding behaviors. They all build their own nests,...

hallux-claw (the talon of the rear toe, which has evolved to be the largest in accipitrids) measuring from 24.1 to 33.6 mm (0.95 to 1.32 in) in length. Red-tailed...

its feathering over its tarsus, which is generally rare in unrelated accipitrids. The crowned eagle is actually part of the diverse "booted eagle" group...

vulture species is more similar to other predatory species such as the accipitrid hawk than to that of more closely related, carrion feeding Gyps vultures...

9 in) long and 5 cm (2.0 in) deep, ranks as one of the largest of any accipitrid, although a reported culmen length of 7.2 cm (2.8 in) is slightly less...

member of the Aquilinae or booted eagles, a monophyletic subfamily of the accipitrid family. At least 38 species are currently part of this subfamily, all...

proposes that Deinonychus killed its prey in a manner very similar to extant accipitrid birds of prey: by leaping onto its quarry, pinning it under its body weight...

chanting-goshawks are much more distantly related and all other modern accipitrids are not directly related. Within the genus Astur, the Eurasian goshawk...

James, Helen F. (2012-11-09). Iwaniuk, Andrew (ed.). "A Late Miocene Accipitrid (Aves: Accipitriformes) from Nebraska and Its Implications for the Divergence...

Gigantohierax was extremely large. In fact, they are regarded as the largest accipitrid ever known to exist in the Americas. Furthermore, the fossil discovered...

the Aquilinae or booted eagles, a rather monophyletic subfamily of the accipitrid family. At least 38 species are currently housed in the subfamily, all...

and perhaps even mainland North America. It is the most common fossil accipitrid in Quaternary deposits of Cuba, notably at Llanura Meridional de La Habana...

contexts. Zihui Zhang; Alan Feduccia; Helen F. James (2012). "A Late Miocene Accipitrid (Aves: Accipitriformes) from Nebraska and Its Implications for the Divergence...

is, their legs are covered with feathers down to the feet. Most other accipitrids have bare lower legs, scaled rather than feathered. They may be treated...

raptor. It is likely the second heaviest of the Circaetinae subfamily of accipitrids. By far the largest of the subfamily is the Philippine eagle which is...

that dromaeosaurids killed their prey in a manner very similar to extant accipitrid birds of prey: by leaping onto their quarry, pinning it under their body...

Etosha National Park in Namibia. The Accipitridae family (hereafter accipitrids) is by far the most diverse family of diurnal raptors in the world, with...

Notes Images Accipitridae indet. Indeterminate Khoer Dzhan. Leg bones. An accipitrid. Anatidae indet. Indeterminate Khoer Dzhan. An anatid. Ardeidae indet...

sometimes as true eagles. Those species may be distinguished from most other accipitrids by the feathering covering their legs, regardless of distribution. With...

domesticus), black-crowned night-heron (Nycticorax nycticorax) and some accipitrids as well as, so far as is known, only young specimens of the larger still...

James, Helen F. (2012-11-09). Iwaniuk, Andrew (ed.). "A Late Miocene Accipitrid (Aves: Accipitriformes) from Nebraska and Its Implications for the Divergence...

oldest known accipitrid from Australia. In 1993, Walter E. Boles described Pengana robertbolesi as a new genus and species of accipitrid on the basis...

poke their heads out. This hunting method is reminiscent of unrelated accipitrids such as harrier hawks and crane hawks, which also possess unusually elongated...

other owls or diurnal birds of prey. All told, more than 20 species of accipitrid, 15 species of owl, and 9 species of falcon have been found amongst their...

adult Spanish imperial eagle even killed a cinereous vulture, the largest accipitrid in the world. Healthy, free-flying Spanish imperial eagles are apex predators...

the pedal digit II—in a manner very similar to extant accipitrid birds of prey. Like accipitrids, the dromaeosaurid would then begin to feed on the animal...

resemblance between the feet and legs of dromaeosaurids and those of accipitrid birds of prey, led Fowler et al. 2011 to propose that dromaeosaurids hunted...

accipitrid family. The booted eagle subfamily all have feathers covering their legs and are distributed in every continent that contains accipitrids....

chanting-goshawks are much more distantly related and all other modern accipitrids are not directly related. Within the genus Astur, the American goshawk...

likely have few to no close external relations within the overall extant accipitrid family. The booted eagle subfamily all have feathers covering their legs...

repeated uses, do not generally get as massive as the nest of other large accipitrids. There is at least one recorded instance of Himalayan vultures using...

dromaeosaurs, were suggested to kill prey in a similar manner to modern accipitrid birds of prey, due to the similarities of their grasping talons. The Deinonychus...

species have one of the closest relationships of any closely studied Accipitrid taxa, despite significant genetic differences. The mitochondrial genetic...

Zihui; Feduccia, Alan; James, Helen F. (2012-11-09). "A Late Miocene Accipitrid (Aves: Accipitriformes) from Nebraska and Its Implications for the Divergence...

the length of the rear hallux-claw, the main killing apparatus of most accipitrids, while 7 males averaged 32.3 mm (1.27 in). N. c. andamanensis (Tytler...

off the ground. Like other Bubo owls, the large nest of large-bodied accipitrids are often popular for use, due to the often huge size and sturdiness...

and floodplains. It would have coexisted in this area alongside a large accipitrid, passeriforms, rallids, otids and a variety of waterbirds (including the...

Bermuteo avivorus. Bermuteo here is an amalgam of Bermuda and Buteo, an Accipitrid genus which includes various hawk and buzzard species. The species name...

Garganoaetus freudenthali and G. murivorus, as well as an unnamed smaller accipitrid; the phasianid Palaeortyx volans; the owls Tyto robusta, T. gigantea,...

Chondrohierax, Leptodon, and Perninae – is sister to the remaining accipitrids. Catanach, T.A.; Halley, M.R.; Pirro, S. (2024). "Enigmas no longer:...

discovered to date, having an ecological niche resembling that of a mid-sized accipitrid. †Gargantuavis †Gargantuavis philoinos 73.5-71.5 Ma Marnes Rouges Inferieures...

owl from the early Eocene of North America (Aves, Strigiformes) with an accipitrid-like foot morphology". Journal of Vertebrate Paleontology. 40 (2) e1769116...

enlarged rear toe talon that is used as the primary killing apparatus on accipitrid raptors, measured a mean of 38 mm (1.5 in), measuring from 32.6 to 41 mm...

52 in) in hallux claw length (the large rear talon often utilized by accipitrids as a killing tool), 110.3 mm (4.34 in) in tarsus length and 30.3 mm (1...

et 2 sp. nov. Valid Mather et al. Chibanian Mairs Cave Australia An Accipitrid, the type species is D. gaffae. It also includes the species D. pachyosteus...

respectively. The largest rear talon (or hallux claw) present on all accipitrids (usually the main killing tool in these predators' arsenal) is particularly...

branches, upholstered with grass when in use. As is typical of a large accipitrid, the nests of golden eagles are very large. However, they are smaller...

(Torgos tracheliotos) A 2024 study found that the Haemoproteus species from accipitrid birds formed a distinct clade, found in these birds only and which might...

potentially interact with more than 10 other eagle species and nearly 30 other accipitrid species, including both migratory and resident breeding species. These...

silvestris). The long-legged buzzard is, as is typical for Buteo and accipitrids, usually rather solitary outside of the pair bond. However, occasionally...

jr synonym Arredondo Late Quaternary Las Breas de San Felipe Cuba An accipitrid, Type species A. varonai, moved to Gymnogyps varonai (2003), Bathornis...

2941 (Irdin Manha Late Eocene of Chimney Butte, China) – falconiform (accipitrid)? gruiform (Eogrus)? †Zheroia kurochkini Nesov 1988 (Late Eocene of Kazakhstan)...

owl from the early Eocene of North America (Aves, Strigiformes) with an accipitrid-like foot morphology". Journal of Vertebrate Paleontology. 40 (2) e1769116...

et sp nov. valid Howard Early Miocene Middle Sharps Formation USA An Accipitrid, type species A. macdonaldi Miortyx aldeni Sp. nov. valid Howard Early...

python, and monitor lizards. Birds present in this locality include accipitrids and struthionid. Carbon isotopic analysis found that within the Kiahera...

owl from the early Eocene of North America (Aves, Strigiformes) with an accipitrid-like foot morphology". Journal of Vertebrate Paleontology. 40 (2) e1769116...

It is the smallest raptor in the Americas and one of the two smallest accipitrids in the world (besides the little sparrowhawk). The tiny hawk, another...

Hamirostra and Lophoictinia. The four species of this new clade were the only accipitrids found to have a deletion (3 bp) within the RAG-1 sequence. This clade...

295–318. Zihui Zhang; Alan Feduccia; Helen F. James (2012). "A Late Miocene Accipitrid (Aves: Accipitriformes) from Nebraska and Its Implications for the Divergence...

Non-mammalian fossils include abundant turtle remains, and various accipitrids, the latter of which were likely met their demise due to the same 'trapping...

show a variety of such adaptations, some of which are more similar to accipitrids (hawks and eagles) while others are closer to the condition in strigid...