The Feeding System of the Pigeon (Columba livia L.)

Zweers, G. A.

doi:10.1007/978-3-642-68472-2

Cited by 34 publications

(65 citation statements)

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“…Many exhibit specialized foreguts. Flamingos, doves, sandgrouse, and hummingbirds are capable of drawing water through the bill by movement of the tongue or larynx or both rather than scooping with the bill (Austin 1961;VanTyne and Berger 1971;Zweers et al 1981;Ewald and Williams 1982;Zweers 1982). Flamingos and doves are unique in feeding their nestlings an esophageal secretion of ''milk.''…”

Section: Morphologymentioning

confidence: 99%

Parallel Radiations in the Primary Clades of Birds

2004

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Abstract. Knowledge of avian phylogeny is prerequisite to understanding the circumstances and timing of the diversification of birds and the evolution of morphological, behavioral, and life-history traits. Recent molecular datasets have helped to elucidate the three most basal clades in the tree of living birds, but relationships among neoavian orders (the vast majority of birds) remain frustratingly vexing. Here, we examine intron 7 of the ␤-fibrinogen gene in the most taxonomically inclusive survey of DNA sequences of nonpasserine bird families and orders to date. These data suggest that Neoaves consist of two sister clades with ecological parallelisms comparable to those found between marsupial and placental mammals. Some members of the putative respective clades have long been recognized as examples of convergent evolution, but it was not appreciated that they might be parts of diverse parallel radiations. In contrast, some traditional orders of birds are suggested by these data to be polyphyletic, with representative families in both radiations.

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Section: Morphologymentioning

confidence: 99%

Parallel Radiations in the Primary Clades of Birds

2004

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“…The larynx acts as a protective valve at the cranial end of the trachea, and its aperture varies during feeding and respiration (Zweers, 1982;Zweers and Berkhoudt, 1988;Zweers et al, 1981).…”

Section: The Tracheal Filtermentioning

confidence: 99%

Inflation of the esophagus and vocal tract filtering in ring doves

Riede

Beckers

Blevins

et al. 2004

Journal of Experimental Biology

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Ring doves vocalize with their beaks and nostrils closed, exhaling into inflatable chambers in the head and neck region. The source sound produced at the syrinx contains a fundamental frequency with prominent second and third harmonic overtones, but these harmonics are filtered out of the emitted signal. We show by cineradiography that the upper esophagus, oral and nasal cavities collect the expired air during vocalization and that the inflated esophagus becomes part of the suprasyringeal vocal tract. The level of the second and third harmonics, relative to the fundamental frequency (f 0 ), is reduced in the esophagus and emitted vocalization compared with in the trachea, although these harmonics are still considerably higher in the esophagus than in the emitted signal. When the esophagus is prevented from fully inflating, there is a pronounced increase in the level of higher harmonics in the emitted vocalization. Our data suggest that the trachea and esophagus act in series as acoustically separate compartments attenuating harmonics by different mechanisms. We hypothesize that the trachea behaves as a tube closed at the syringeal end and with a variable, restricted opening at the glottal end that lowers the tracheal first resonance to match the f 0 of the coo. The inflated esophagus may function as a Helmholtz resonator in which the elastic walls form the vibrating mass. Such a resonator could support the f 0 over a range of inflated volumes.

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“…The paraglossale of Rock dove which supports the free portion of the tongue, is consisting of hyaline cartilage which has has a great ability of bending and ability to resist load and weight forces acting on the free portion of the tongue during the passage of heavy food items due to the action of several intrinsic lingual muscles. Similar observations were made in Columba livia , Ducula aenea , Ducula badia and Gallinula chloropus meridionalis (Zweers, 1982a;Bhattacharyya, 1980Bhattacharyya, , 1990and El-Beltagy, 2013), and in Bubulcus ibis (Shawki & AbdelRahmaan, 1998), but are missing in other birds like Streptoplia decaocto where the paraglossale is a bony element (Shawki & Al-Jalaud, 1994a). The dorsal surface of the basihyale bony provides the sites of origin for the muscle hypoglossus posterior.…”

Section: Discussionmentioning

confidence: 54%

“…The lingual apparatus, like the jaw apparatus plays a very significant role in selecting or rejecting, transporting and manipulating the food. Many studies (Zweers, 1974(Zweers, , 1982aZweers et al, 1977;Kooloos, 1986) have analyzed the synchronized interactions between the jaw and tongue during feeding and drinking in several avian species. Birds show many examples of highly adaptations of their beak and tongue apparatuses as graspers, collectors, selectors, or detectors of food (Zweers et al, 1977, for mallards andHomberger 1980b, for parrots.…”

Section: Introductionmentioning

confidence: 99%

“…Korzoun et al, (2003) studied the morphofunctional analyses the skeleton and musculature of the bill and hyoid apparatus of Pigeons (Columbidae) and sandgrouse (Pteroclididae) that show a key of adaptation to vegetarian feeding. Bhattacharyya (1980Bhattacharyya ( , 1985 described the function morphology of the jaw and tongue muscles of the Common pigeon and of some Indian insect-eating birds; Zweers (1982a) studied the functional anatomy of feeding apparatus of the Pigeon. Korzoun et al (2001Korzoun et al ( , 2003Korzoun et al ( , 2004 and hyoid apparatus of turacos and Momotus momota and their relation to frugivory and omnivorous feeding adaptation and of the Hoatzin, Opisthoco-mus hoazin to leaf-eating.…”

Section: Introductionmentioning

confidence: 99%

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Kinetics Of The Hyoid Skeleton Of The Rock Dove (Patagioenas livia)

Al-Nefeiy¹

2017

Int. J. Adv. Res. Biol. Sci

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The hyoid skeleton of the rock dove (Patagioenas livia) is a well developed. It consists of three axial unpaired elements and a paired hyoid horn. The axial skeleton comprises anterior paraglossale, a middle basihyale, and a posterior urohyale. The paired hyoid horn consists of ceratobranchiale and epibranchiale. The hyoid skeletal elements allows sites for attachment of extrinsic an d intrinsic lingual muscles which are forces generate the mechanical structure of the tongue. The retraction of the tongue performs by the contraction of the muscle stylohyoideus. The muscle branchiomandibularis perform the protraction of the tongue. The expression of the anterior part of the tongue must done by the contraction of the muscle ceratoglossus. Bending of this part of the tongue is allowed by the contraction of the muscle hypoglossus anterior.

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The Feeding System of the Pigeon (Columba livia L.)

Cited by 34 publications

References 0 publications

Parallel Radiations in the Primary Clades of Birds

Parallel Radiations in the Primary Clades of Birds

Inflation of the esophagus and vocal tract filtering in ring doves

Kinetics Of The Hyoid Skeleton Of The Rock Dove (Patagioenas livia)

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