[permalink] [id link]
The swallows and martins are morphologically unique within the passerines, but the use of DNA-DNA hybridization studies has suggested relationships with the Old World warblers ( a large wastebin taxon that has recently been split into several new families ), the white-eyes and the tits.
from
Wikipedia
Some Related Sentences
swallows and martins
** Hirundinidae: swallows and martins
The Common House Martin is similar in habits to other aerial insectivores, including other swallows and martins and the unrelated swifts, and catches insects in flight.
They are believed to be quite closely related to the swallows and martins, the bulbuls and the white-eyes.
The swallows and martins are a group of passerine birds in the family Hirundinidae which are characterised by their adaptation to aerial feeding.
This family comprises two subfamilies: Pseudochelidoninae ( the river martins of the genus Pseudochelidon ) and Hirundininae ( all other swallows and martins ).
The swallows and martins have an evolutionary conservative body shape which is similar across the clade but is unlike that of other passerines.
The leg muscles of the river martins ( Pseudochelidon ) are stronger and more robust than those of other swallows.
Regardless of whether the species has males that incubate or brood the chicks the males of all swallows and martins will help feed the chicks.
It is difficult to judge when swallows and martins fledge, as they will be enticed out of the nest after three weeks by parents but frequently return to the nest afterwards in order to roost.
The swallows and martins have a worldwide cosmopolitan distribution, occurring on every continent except Antarctica.
There is some agreement that there are three core groups within then Hirundininae, the saw-wings of the genus Psalidoprocne, the core martins and the swallows of the genus Hirundo and their allies.
* Subfamily Hirundininae ( all other swallows & martins )
Like swallows and martins, the swifts of temperate regions are strongly migratory and winter in the tropics.
All three Ptyonoprogne crag martins are quite similar in behaviour to other Old World swallows that build mud nests, and are sometimes subsumed into the larger genus Hirundo, but this approach leads to inconsistencies in classifying other genera, particularly the house martins.
The three Ptyonoprogne species are members of the swallow family of birds, and are placed in the Hirundininae subfamily, which comprises all swallows and martins except the very distinctive river martins.
The Ptyonoprogne species construct an open mud nest and therefore belong to the last group ; Hirundo species also build open nests, Delichon house martins have a closed nest, and the Cecropis and Petrochelidon swallows have retort-like closed nests with an entrance tunnel.
The American Cliff Swallow ( Petrochelidon pyrrhonota ) is a member of the passerine bird family Hirundinidae — the swallows and martins.
Like all swallows and martins, Cliff Swallows subsist primarily on a diet of insects which are caught in flight.
This gives many species a degree of fine tuning in their flight maneuvers to rival their day-flying ecological equivalents, such as swifts, swallows and martins.
The relatively well known species T. teniotis, which occurs in southern Europe and North Africa, the Middle East and all the way across southern Asia to Japan, is known to fly often during the late afternoon where it will hawk for insects alongside swifts ( Apodidae ), swallows and martins Hirundinidae.
The bird genus Hirundo is a group of passerines in the family Hirundinidae ( swallows and martins ).
swallows and are
Such jumps are known as " swallows ".
Relatively recent colonists from Eurasia are swallows, larks, thrushes, cisticolas, sunbirds, and some raptors, including the large Wedge-tailed Eagle.
St. Joseph's Day is also the day when the swallows are traditionally believed to return to Mission San Juan Capistrano after having flown south for the winter.
" Among the most common primates include Black howler, there are also Hummingbird coludo blue and Tiles swallows.
A number of European and North American species are long-distance migrants ; by contrast, the West and South African swallows are non-migratory.
For the most part swallows are insectivorous, taking flying insects on the wing.
Pairs of mated swallows are monogamous, The breeding of temperate species is seasonal, whereas that of subtropical or tropical species can either be continuous throughout the year or seasonal.
All swallows will defend their nests from egg predators, although solitary species are more aggressive towards predators than colonial species.
The eggs of swallows tend to be white, although those of some mud-nesters are speckled.
According to a sailing superstition, swallows are a good omen to those at sea.
This probably arose from the fact that swallows are land-based birds, so their appearance informs a sailor that he is close to shore.
Smaller birds — such as crows, swallows, robins, wrens and so on — are very common.
They are superficially similar to swallows, but are actually not closely related to passerine species at all ; swifts are in the separate order Apodiformes, which they share with hummingbirds.
The resemblances between swifts and swallows are due to convergent evolution, reflecting similar life styles based on catching insects in flight.
Although they will take prey on the ground if the opportunity presents itself, most prey is caught on the wing: insects by hawking, birds are flown down: even swifts and swallows often cannot outpace or outmaneuver a hobby.
swallows and within
If a human being gets too close to their territory, swallows will attack them within the perimeter of the nest.
With a gape width of 21 mm, the quetzal swallows the small berry ( aquacatillo ) whole, which he catches while flying through the lower canopy of the tree, and then regurgitates the seed within 100 meters from the tree.
Samurai knocks out Sonique, Cloak swallows Nightcrawler, Dazzler, and Gambit within his dark dimension.
swallows and passerines
Their body shape allows for very efficient flight, which costs 50-75 % less for swallows than equivalent passerines of the same size.
Subsequent attempts to train homing behaviour into swallows and other passerines had difficulty establishing a statistically significant success rate, although the birds have been known to trap themselves repeatedly in order to obtain bait from traps.
Also supplementing the diet are small birds, with passerines such as swallows, sparrows, kinglets and chickadees favored.
The river martins are in some ways intermediate between typical swallows and other passerines: they have stout bills, large feet and relatively strong legs, which is unusual in aerial feeders.
1.046 seconds.