| Topknot pigeon | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Columbiformes |
| Family: | Columbidae |
| Genus: | Lopholaimus Gould, 1841 |
| Species: | L. antarcticus |
| Binomial name | |
| Lopholaimus antarcticus (Shaw, 1793) | |
| Synonyms [2] | |
Columba antarcticaShaw | |
The topknot pigeon (Lopholaimus antarcticus) is a pigeon native to eastern Australia.
English naturalist George Shaw described the topknot pigeon as Columba antarctica in 1793. [2]
The topknot pigeon is sister taxon to a lineage that gave rise to the mountain pigeons (Gymnophaps) of New Guinea, the common ancestor of both diverged from a lineage that gave rise to the kererū and Chatham pigeon. [3]
"Topknot pigeon" has been designated the official common name by the International Ornithologists' Union (IOC); [4] John Gould noted in 1848 that it had been given this name by the colonists of New South Wales. [5] It is also known by the name of "flock pigeon". [6]
The topknot pigeon is a large predominately slate-grey bird, 40–46 centimetres (16–18 in) in length. The back, coverts and upper secondaries are a darker slate-grey with black quills. The primaries are black, the remaining body in a lighter slate-grey in colour. The chest and hind neck are notched, showing dark bases giving a streaked appearance.[2] The tail is black crossed with a board grey band. The crest is grey from the cere to the forehead, and russet brown on the crown with black sides. The mandibles are red with a brown tip, the protuberances at the base of the mandibles are bluish-green. The tarsals and feet are purplish red. The sexes are similar in description. However, Males have larger crest and lack some of the streaking on the chest. Juveniles are like females but the chest is mottled not streaked, the crest is smaller, with the cere and forehead being light brown, the crown grey. Tarsals and feet are reddish brown. The iris is yellow-golden with a bright red outer band. In fledglings the iris is brown.[2]
Three distinct calls have been described. The first, ‘coo-oo, eee’, might be related to nestlings. The second, ‘coo-oo, ooo’, is distinctly louder but still soft. The third, ‘cor-or’, is "a quiet, croaky, almost guttural utterance", not unlike the call of the domestic pigeon. During times of flocking and mass feeding, this pigeon has a short raucous call. [7] This last call has been described as "a distant flying fox or domestic pig". [8]
Found from the Cape York Peninsula in Queensland to the central south coast of New South Wales. These pigeons cover great distances in search of fruit bearing trees suddenly appearing in areas where they have not been seen for many years and will occasionally move beyond their normal southern range limit, into eastern Victoria.[2] Historic records from 1953 show the topknot pigeon as an "accidental" species to Tasmania with a specimen taken at Spreyton near Devonport. This bird was one of a flock of 9-10 birds feeding on cherries. Previous to this sighting, the only other recording was in 1907 when two specimens were taken near St. Helens, east coast of Tasmania. The Spreyton specimen is held in the Tasmania Museum, Collection Number 13184/B2703. [9]
The topknot pigeon has a solely frugivorous diet which varies throughout its range as fruit ripen at different times during the year. This includes various species of Ficus and other rainforest fruit trees. [10] [11] Unlike some other species of Columbidae, the topknot pigeon does not use grit in its crop to break down the seeds of the fruit it consumes, and therefore the seeds are defecated intact. This results in seed dispersal not only under the fruiting trees the birds are feeding on but also under their roosting trees. [12]
The breeding season can be directly related to the combined ripening of fruit trees and palms within the rainforest habitat. Forcing to birds to mass flock and congregated at these areas. Nests and eggs have been reported from June to December. [10] Few nests have been observed in the wild. The nest has been described as sometimes flimsy but frequently substantial, built of stout sticks from turpentine and eucalyptus trees. A single ovate egg about 43 by 30 mm in size is laid. [13] Incubation takes 17–24 days in captivity, and both sexes appear to share the incubation duties. [10]
The species used to occur in enormous numbers in Australian rainforest, but the population declined because of forest clearance and shooting. Because of concern over the steep decline in their population, topknot pigeons now are a protected species in Australia. However the increasing prevalence of a new food source in the fruit of the 'weed' camphor laurel trees has seen a recent resurgence in their number.[ citation needed ] As populations appear to be fluctuating but large, the species is currently classified as Least concern by the IUCN. [1]
The black currawong, also known locally as the black jay, is a large passerine bird endemic to Tasmania and the nearby islands within the Bass Strait. One of three currawong species in the genus Strepera, it is closely related to the butcherbirds and Australian magpie within the family Artamidae. It is a large crow-like bird, around 50 cm (20 in) long on average, with yellow irises, a heavy bill, and black plumage with white wing patches. The male and female are similar in appearance. Three subspecies are recognised, one of which, Strepera fuliginosa colei of King Island, is vulnerable to extinction.
The pied currawong is a black passerine bird native to eastern Australia and Lord Howe Island. One of three currawong species in the genus Strepera, it is closely related to the butcherbirds and Australian magpie of the family Artamidae. Six subspecies are recognised. It is a robust crowlike bird averaging around 48 cm (19 in) in length, black or sooty grey-black in plumage with white undertail and wing patches, yellow irises, and a heavy bill. The male and female are similar in appearance. Known for its melodious calls, the species' name currawong is believed to be of indigenous origin.
The flame robin is a small passerine bird native to Australia. It is a moderately common resident of the coolest parts of south-eastern Australia, including Tasmania. Like the other two red-breasted Petroica robins—the scarlet robin and the red-capped robin—it is often simply called the robin redbreast. Like many brightly coloured robins of the Petroicidae, it is sexually dimorphic. Measuring 12–14 cm (4.7–5.5 in) long, the flame robin has dark brown eyes and a small thin black bill. The male has a brilliant orange-red chest and throat, and a white patch on the forehead above the bill. Its upper parts are iron-grey with white bars, and its tail black with white tips. Female coloration is a muted grey-brown. Its song has been described as the most musical of its genus.
The crested pigeon is a bird found widely throughout mainland Australia except for the far northern tropical areas. Only two Australian pigeon species possess an erect crest, the crested pigeon and the spinifex pigeon. The crested pigeon is the larger of the two species. The crested pigeon is sometimes referred to as a topknot pigeon, a common name shared with the reddish crested Lopholaimus antarcticus of Eastern Australia.
The spinifex pigeon, also known as the plumed-pigeon or gannaway pigeon, is one of three endemic Australian bird species within the genus Geophaps. It occurs within a broader group known as bronzewing pigeons. This species is listed under the International Union for Conservation of Nature (IUCN) Red List category of "least concern". It most frequently occurs in arid and semi-arid habitats containing hummock-forming grasses of the genera Triodia and Plectrachne.
The peaceful dove is a pigeon native to Australia and New Guinea. The peaceful dove is closely related to the zebra dove of south-east Asia and the barred dove of eastern Indonesia. Until recently, the three were classed as a single species, Geopelia striata, known as peaceful dove or zebra dove.
The wonga pigeon or wonga wonga is a pigeon that inhabits areas in eastern Australia with its range being from Central Queensland to Gippsland, eastern Victoria, Australia.
The wompoo fruit dove, also known as wompoo pigeon and "magnificent fruit dove" among others, is one of the larger fruit doves native to New Guinea and eastern Australia.
The genus Ptiloris consists of four allopatric species of birds in the family Paradisaeidae. These birds of paradise are commonly known as riflebirds, so named for the likeness of their black velvety plumage to the uniform of the Rifle Brigade. Alternatively, the bird's cry is similar to a rifle being fired and hitting its target but a call like this is not commonly reported. They are distributed in the rainforests of New Guinea and Eastern Australia.
The collared imperial pigeon is a large pigeon native to New Guinea and adjacent islands.
The spotted bowerbird is a sedentary, mid-sized passerine found across broad parts of the drier habitats of eastern Australia. The species is known for its remarkable behaviours, like many other bowerbirds (Ptilonorynchidae), which include bower building and decorating, courtship displays and vocal mimicry. Spotted bowerbirds are locally common, however, overall the population is thought to be in decline.
The spiny-cheeked honeyeater is the only species in the genus Acanthagenys. It is large for a honeyeater, ranging from 22 to 27 centimeters tall and weighing around 52 grams. The birds are sociable, aggressive, and often observed foraging in large flocks.
Ducula is a genus of the pigeon family Columbidae, collectively known as imperial pigeons. They are large to very large pigeons with a heavy build and medium to long tails. They are arboreal, feed mainly on fruit and are closely related to the other genus of fruit-eating doves, Ptilinopus. Both genera display brightly coloured plumage, predominantly green, often with contrasting under-parts of purple, orange or red. Some Ducula have prominently swollen ceres. They have large gapes and swallow seeds whole, playing an important role in seed dispersal.
The Papuan mountain pigeon is a species of bird in the pigeon family, Columbidae. It is found in the Bacan Islands, New Guinea, the D'Entrecasteaux Islands, and the Bismarck Archipelago, where it inhabits primary forest, montane forest, and lowlands. It is a medium-sized species of pigeon, being 33–36 cm (13–14 in) long and weighing 259 g (9.1 oz) on average. Adult males have slate-grey upperparts, chestnut-maroon throats and bellies, whitish breasts, and a pale grey terminal tail band. The lores and orbital region are bright red. Females are similar, but have grayish breasts and grey edges to the throat feathers.
Mountain pigeons are four species of birds in the genus Gymnophaps in the pigeon family Columbidae. They are found on islands in eastern Indonesia and Melanesia, where they inhabit hill and montane forest. Medium-sized pigeons with long tails and wings, they are 33–38.5 cm (13.0–15.2 in) long and weigh 259–385 g (9.1–13.6 oz). They mostly have dull grey, white, or chestnut-brown plumage, their most distinctive feature being bright red skin around the eyes. Males and females mostly look alike, but the Papuan and pale mountain pigeons show slight sexual dimorphism. Mountain pigeons are very social and are usually seen in flocks of 10–40 birds, although some species can form flocks of more than 100 individuals. They are generally quiet and do not make many vocalisations apart from a distinctive whooshing noise while leaving their high-altitude roosts to feed in the morning.
The pale mountain pigeon is a species of bird in the pigeon family Columbidae. It is endemic to the Solomon Islands archipelago, where it inhabits old-growth and secondary montane forest. It is a medium-size pigeon with an average length of 38 cm (15 in) and a weight of 310–385 g (10.9–13.6 oz). The head and neck are whitish-grey, the belly and lower breast are buffy-pink, and the vent and undertail coverts are pale grey. The upperparts are smoky-grey with darker fringes on the mantle and wing coverts. Both sexes look similar, but there can be large variation in individual appearance.
Ficus coronata, commonly known as the sandpaper fig or creek sandpaper fig, is a cauliflorous species of fig tree, native to Australia. It is found along the east coast from Mackay in Central Queensland, through New South Wales and just into Victoria near Mallacoota. It grows along river banks and gullies in rainforest and open forest. Its common name is derived from its rough sandpapery leaves, which it shares with the other sandpaper figs.
Ficus obliqua, commonly known as the small-leaved fig, is a tree in the family Moraceae, native to eastern Australia, New Guinea, eastern Indonesia to Sulawesi and islands in the southwestern Pacific Ocean. Previously known for many years as Ficus eugenioides, it is a banyan of the genus Ficus, which contains around 750 species worldwide in warm climates, including the edible fig. Beginning life as a seedling, which grows on other plants (epiphyte) or on rocks (lithophyte), F. obliqua can grow to 60 m (200 ft) high and nearly as wide with a pale grey buttressed trunk, and glossy green leaves.
Glochidion ferdinandi, with common names that include cheese tree, is a species of small to medium–sized trees, constituting part of the plant family Phyllanthaceae. They grow naturally across eastern Australia, from south–eastern New South Wales northwards to northern and inland Queensland, in rainforests and humid eucalypt forests. Frugivorous birds such as pigeons, figbirds and parrots consume its fruit.
The Seram mountain pigeon is a species of bird in the pigeon family Columbidae that is endemic to the island of Seram in Indonesia, where it inhabits hill forest. It was long considered to be a subspecies of the Buru mountain pigeon, but was split on the basis of differences in appearance. It is a medium-sized pigeon with a buff-pink face and breast, wine-pink underparts, a grey nape, crown, back of neck, and thighs, and dark chestnut belly and underside of the tail.
