Comparative Ethology of the Ciconiidae. Part 1. the Marabou Stork, Leptoptilos Cr Umenifer Us (Lesson)

Kahl, M. P.

doi:10.1163/156853966x00119

Cited by 40 publications

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“…We suggest that the ability is perhaps not as rare as previously thought 13 : instead of being restricted to large-brained species the occurrence of referential gestures may be linked to ecological need [16][17][18] 25 , which communicate about objects of interest with humans. Potential cases in the wild include bird species such as bowerbirds, green-backed sparrows, marabou storks and grass finches, which, in a manner similar to ravens, present non-food objects during pair formation and courtship [26][27][28][29] . Australian magpies perform a pointing-like action towards predators that may be used to indicate the danger to conspecifics 30 , although further research is required to exclude alternative explanations.…”

Section: Discussionmentioning

confidence: 99%

Referential gestures in fish collaborative hunting

2013

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In humans, referential gestures intentionally draw the attention of a partner to an object of mutual interest, and are considered a key element in language development. Outside humans, referential gestures have only been attributed to great apes and, most recently, ravens. This was interpreted as further evidence for the comparable cognitive abilities of primates and corvids. Here we describe a signal that coral reef fishes, the grouper Plectropomus pessuliferus marisrubri and coral trout Plectropomus leopardus, use to indicate hidden prey to cooperative hunting partners, including giant moray eels Gymnothorax javanicus, Napoleon wrasses Chelinus undulatus and octopuses Octopus cyanea. We provide evidence that the signal possesses the five attributes proposed to infer a referential gesture: it is directed towards an object, mechanically ineffective, directed towards a potential recipient, receives a voluntary response and demonstrates hallmarks of intentionality. Thus, referential gesture use is not restricted to large-brained vertebrates.

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Section: Discussionmentioning

confidence: 99%

Referential gestures in fish collaborative hunting

2013

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“…L. dubius has a lesser degree of feathering on the head as compared to L. javanicus. It is interesting to find that L. javanicus is less of a scavenger than L. crummeniferens or L. dubius (Kahl 1972). However, despite differences in the relative abundance of bristles, modification of bristles into long, wavy hair like structures is seen in all the three species.…”

Section: Discussionmentioning

confidence: 95%

“…Cramp and Simmons (1977) described it variously as hair, filoplumes, downs etc. Kahl (1972) described it as having some down and hair like feathers. Ali and Ripley (1969) denoted these feathers as hair like.…”

Section: Introductionmentioning

confidence: 99%

Notes on the highly modified bristles of Lesser Adjutant Stork Leptoptilos javanicus

Menon

1980

Journal of the Yamashina Institute for Ornithology

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“…These conditions are favorable to the development of thermal air currents that enable some birds to soar for long distances. Like living species of Leptoptilos (Kahl 1966, Hancock et al 1992, L. lüi probably relied primarily on soaring or gliding rather than flapping flight for movement and food seeking.…”

Section: Discussionmentioning

confidence: 99%

A marabou (Ciconiidae:Leptoptilos) from the Middle Pleistocene of northeastern China

Zhang

Huang

James

et al. 2012

The Auk

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Abstract.-A new species of marabou, Leptoptilos lüi sp. nov., is described on the basis of a cranium, distal humerus, and proximal phalanx of the major digit, from the Middle Pleistocene Jinniushan locality, Liaoning Province of northeastern China. Fossil crania of the genus Leptoptilos are rare, and that of the new bird is distinct from the crania of its extant relatives. The forelimb elements are the largest and most robust among living and fossil species of Leptoptilos and are characterized by autapomorphic characters. Leptoptilos lüi, like the African Marabou Stork (L. crumeniferus), probably possessed a considerable flight capability and fed mainly on pieces of carrion torn from carcasses by other, sympatric large scavengers. The new stork aids in our understanding of the paleoecology and paleoenvironment of northeastern China in the Middle Pleistocene, helps us characterize the scavenger guild that fed on the Middle Pleistocene megafauna, and shows that the genus Leptoptilos, now restricted to the Old World tropics, extended into higher latitudes in the Middle Pleistocene. Un Marabú (Ciconiidae: Leptoptilos) del Pleistoceno Medio del Nororiente de ChinaResumen.-Describimos una nueva especie de marabú, Leptoptilos lüi sp. nov., basados en un cráneo, la parte distal de un húmero y la falange proximal del dígito más grande. La nueva especie proviene de la localidad Jinniushan del Pleistoceno medio, provincia de Liaoning, nororiente de China. Los cráneos fósiles del género Leptoptilos son raros y el de la nueva especie es distinto de los cráneos de sus parientes vivos. Los elementos de la extremidad delantera son los más grandes y robustos entre las especies conocidas (vivas y extintas) de Leptoptilos y se caracterizan por presentar caracteres autoapomórficos. Tal como L. crumeniferus, L. lüi probablemente poseía una capacidad de vuelo considerable y se alimentaba principalmente de trozos de carroña arrancados de cadáveres por otras especies simpátricas de grandes carroñeros. Esta nueva ave ayuda a nuestro entendimiento de la paleoecología y el paleoambiente del nororiente de China en el Pleistoceno medio, y a caracterizar el gremio de especies carroñeras que se alimentaban de la megafauna de mediados del Pleistoceno. Además, nos demuestra que el género Leptoptilos, ahora restringido zonas tropicales del Viejo Mundo, se extendía hacia latitudes más altas en ese periodo.-699 -

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Comparative Ethology of the Ciconiidae. Part 1. the Marabou Stork, Leptoptilos Cr Umenifer Us (Lesson)

Cited by 40 publications

References 0 publications

Referential gestures in fish collaborative hunting

Referential gestures in fish collaborative hunting

Notes on the highly modified bristles of Lesser Adjutant Stork Leptoptilos javanicus

A marabou (Ciconiidae:Leptoptilos) from the Middle Pleistocene of northeastern China

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