Charadriiformes

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Charadriiformes
Temporal range: Late Cretaceous-Holocene, 75–0Ma
Masked Lapwing (Vanellus miles)
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Infraclass: Neognathae
Superorder: Neoaves
Division: Terrestrornithes
Order: Charadriiformes
Huxley, 1867
Families

see text.

Charadriiformes is a diverse order of small to medium-large birds. It includes about 350 species and has members in all parts of the world. Most Charadriiformes live near water and eat invertebrates or other small animals; however, some are pelagic (sea birds), some occupy deserts and a few are found in thick forest.

Taxonomy, systematics and evolution

The order was formerly divided into three suborders:

  • The waders (or "Charadrii"): typical shorebirds, most of which feed by probing in the mud or picking items off the surface in both coastal and freshwater environments.
  • The gulls and their allies (or "Lari"): these are generally larger species which take fish from the sea. Several gulls and skuas will also take food items from beaches, or rob smaller species, and some have become adapted to inland environments.
  • The auks (or "Alcae") are coastal species which nest on sea cliffs and "fly" underwater to catch fish.

The Sibley-Ahlquist taxonomy, which has been widely accepted in America,citation needed lumps all the Charadriiformes together with other seabirds and birds of prey into a greatly enlarged order Ciconiiformes. However, the resolution of the DNA-DNA hybridization technique used by Sibley & Ahlquist was not sufficient to properly resolve the relationships in this group, and indeed it appears as if the Charadriiformes consititute a single large and very distinctive lineage of modern birds of their own.1

The auks, usually considered distinct because of their peculiar morphology, are more likely related to gulls, the "distinctness" being a result of adaptation for diving. Following recent research,2 a better arrangement may be as follows:

Families in taxonomic order

This is a list of the charadriiform families, presented in taxonomic order.

More conservatively, the Thinocori could be included in the Scolopaci, and the Chionidi in the Charadrii, or the Glareolidae could be placed in a suborder of their own. The buttonquails are of indeterminate, quite basal position in the Lari-Scolopaci sensu lato group. The arrangement as presented here is a consensus of the recent studies.3

A rough consensus of current research on shorebird relationships is reproduced below, based on Naish (2012).4

Terrestrornithes

Dendrornithes?




Mirandornithes? (flamingos & grebes)


Charadriiformes (shorebirds)

Scolopaci (sandpipers and kin)




Turnicidae (buttonquails)



Lari (auks, gulls, and kin)






Evolution History

That the Charadriiformes are an ancient group is also borne out by the fossil record. Much of the Neornithes' fossil record around the Cretaceous–Paleogene extinction event is made up of bits and pieces of birds which resemble this order. In many, this is probably due to convergent evolution brought about by semi-aquatic habits. Specimen VI 9901 (López de Bertodano Formation, Late Cretaceous of Vega Island, Antarctica) is probably a basal charadriiform somewhat reminiscent of a thick-knee.5 However, more complete remains of undisputed charadriiforms are known only from the mid-Paleogene onwards. Present-day orders emerged around the Eocene-Oligocene boundary, roughly 35-30 mya. Basal or unresolved charadriiforms are:

  • "Morsoravis" (Late Paleocene/Early Eocene of Jutland, Denmark) - a nomen nudum?
  • Jiliniornis (Huadian Middle Eocene of Huadian, China) - charadriid?
  • Boutersemia (Early Oligocene of Boutersem, Belgium) - glareolid?
  • Turnipax (Early Oligocene) - turnicid?
  • Elorius (Early Miocene Saint-Gérand-le-Puy, France)
  • "Larus" desnoyersii (Early Miocene of SE France) - larid? stercorarid?
  • "Larus" pristinus (John Day Early Miocene of Willow Creek, USA) - larid?
  • Charadriiformes gen. et sp. indet. (Bathans Early/Middle Miocene of Otago, New Zealand) - charadriid? scolopacid?6
  • Charadriiformes gen. et sp. indet. (Bathans Early/Middle Miocene of Otago, New Zealand) - charadriid? scolopacid?7
  • Charadriiformes gen. et sp. indet. (Bathans Early/Middle Miocene of Otago, New Zealand) - larid?8
  • Charadriiformes gen. et sp. indet. (Sajóvölgyi Middle Miocene of Mátraszõlõs, Hungary9
  • "Totanus" teruelensis (Late Miocene of Los Mansuetos, Spain) - scolopacid? larid?

The "transitional shorebirds" ("Graculavidae") are a generally Mesozoic form taxon formerly believed to constitute the common ancestors of charadriiforms, waterfowl and flamingos. They are now assumed to be mostly basal taxa of the charadriiforms and/or "higher waterbirds", which probably were two distinct lineages 65 mya already,citation needed and few if any are still believed to be related to the well-distinct weaterfowl. Taxa formerly considered graculavids are:

Other wader- or gull-like birds incertae sedis, which may or may not be Charadriiformes, are:

Evolution of parental care in Charadriiformes

Shorebirds have a larger diversity in parental care than most other orders. They therefore are an ideal system to review the evolution of parental care (as reviewed in Thomas et al. 2007). The Avain ancestor most likely had a female parental care system (Tullberg et al. 2002). The shorebird ancestor specifically evolved from a bi-parental care system, yet the species within the clade Scolopacidae evolved from a male parental care system. These transitions might have occurred for several reasons. Brooding density is correlated with male parental care. Male care systems in birds are shown to have a very low breeding density while female care systems in birds have a high breeding density. (Owens 2005). Certain rates of male and female mortality, male and female egg maturation rate, and egg death rate have been associated with particular systems as well (Klug et al. 2013). It has also been shown that sex role reversal is motivated by the male-biased adult sex ratio (Liker et al. 2013). The reason for such diversity in shorebirds, compared to other birds, has yet to be understood.

See also

Footnotes

  1. ^ Fain & Houde (2004)
  2. ^ Ericson et al. (2003), Paton et al. (2003, Thomas et al. (2004a,b), van Tuinen et al. (2004), Paton & Baker (2006)
  3. ^ van Tuinen et al. (2004), Paton & Baker (2006)
  4. ^ Naish, D. (2012). "Birds." Pp. 379-423 in Brett-Surman, M.K., Holtz, T.R., and Farlow, J. O. (eds.), The Complete Dinosaur (Second Edition). Indiana University Press (Bloomington & Indianapolis).
  5. ^ Case, J. A. and C. P. Tambussi. 1999. Maastrichtian record of neornithine birds in Antarctica: comments on a Late Cretaceous radiation
  6. ^ Proximal right humerus (MNZ S42416) and proximal left carpometacarpi (MNZ S42415, S42435) of a bird the size of a Red-necked Stint: Worthy et al. (2007)
  7. ^ Several wing and thorax bones of a bird the size of a Double-banded Plover: Worthy et al. (2007)
  8. ^ Premaxillae (MNZ S42681, S42736) and proximal right scapula (MNZ S41058) of a bird apparently similar to the Black-billed Gull but almost the size of a Kelp Gull: Worthy et al. (2007)
  9. ^ Gál et al. (1998-99)
  10. ^ A wading bird the size of a White Stork (Ciconia ciconia): Bourdon (2005)

References

  • Bourdon, Estelle (2006): L'avifaune du Paléogène des phosphates du Maroc et du Togo: diversité, systématique et apports à la connaissance de la diversification des oiseaux modernes (Neornithes) ["Paleogene avifauna of phosphates of Morocco and Togo: diversity, systematics and contributions to the knowledge of the diversification of the Neornithes"]. Doctoral thesis, Muséum national d'histoire naturelle [in French]. HTML abstract
  • Ericson, Per G.P.; Envall, I.; Irestedt, M. & Norman, J.A. (2003): Inter-familial relationships of the shorebirds (Aves: Charadriiformes) based on nuclear DNA sequence data. BMC Evol. Biol. 3: 16. doi:10.1186/1471-2148-3-16 PDF fulltext
  • Fain, Matthew G. & Houde, Peter (2004): Parallel radiations in the primary clades of birds. Evolution 58(11): 2558-2573. doi:10.1554/04-235 PMID 15612298 PDF fulltext
  • Gál, Erika; Hír, János; Kessler, Eugén & Kókay, József (1998–99): Középsõ-miocén õsmaradványok, a Mátraszõlõs, Rákóczi-kápolna alatti útbevágásból. I. A Mátraszõlõs 1. lelõhely [Middle Miocene fossils from the sections at the Rákóczi chapel at Mátraszőlős. Locality Mátraszõlõs I.]. Folia Historico Naturalia Musei Matraensis 23: 33-78. [Hungarian with English abstract] PDF fulltext
  • Klug, H., M. B. Bonsall, and S.H Alonzo. 2013. Sex differences in life history drive evolutionary transitions among maternal, paternal, and bi‐parental care. Ecology and Evolution. 3: 792–806.
  • Liker, A., R. P. Freckleton, and T. Székely. 2013. The evolution of sex roles in birds is related to adult sex ratio. Nature Communications. 4: 1587.
  • Owens, I.P. 2002. Male–only care and classical polyandry in birds: phylogeny, ecology and sex differences in remating opportunities. Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences. 357: 283-293.
  • Paton, Tara A. & Baker, Allan J. (2006): Sequences from 14 mitochondrial genes provide a well-supported phylogeny of the Charadriiform birds congruent with the nuclear RAG-1 tree. Mol. Phylogenet. Evol. 39(3): 657–667. doi:10.1016/j.ympev.2006.01.011 PMID 16531074 (HTML abstract)
  • Paton, T.A.; Baker, A.J.; Groth, J.G. & Barrowclough, G.F. (2003): RAG-1 sequences resolve phylogenetic relationships within charadriiform birds. Mol. Phylogenet. Evol. 29: 268-278. doi:10.1016/S1055-7903(03)00098-8 PMID 13678682 (HTML abstract)
  • Székely, T and J.D. Reynolds. 1995. Evolutionary transitions in parental care in shorebirds. Proceedings of the Royal Society of London. Series B: Biological Sciences. 262: 57-64.
  • Thomas, G. H., T. Székely and J.D. Reynolds. 2007. Sexual conflict and the evolution of breeding systems in shorebirds. Advances in the Study of Behavior. 37: 279-342.
  • Thomas, Gavin H.; Wills, Matthew A. & Székely, Tamás (2004a): Phylogeny of shorebirds, gulls, and alcids (Aves: Charadrii) from the cytochrome-b gene: parsimony, Bayesian inference, minimum evolution, and quartet puzzling. Mol. Phylogenet. Evol. 30(3): 516-526. doi:10.1016/S1055-7903(03)00222-7 (HTML abstract)
  • Thomas, Gavin H.; Wills, Matthew A. & Székely, Tamás (2004): A supertree approach to shorebird phylogeny. BMC Evol. Biol. 4: 28. doi:10.1186/1471-2148-4-28 PMID 15329156 PDF fulltext Supplementary Material
  • Tullberg, B. S., M. Ah–King and H. Temrin. 2002. Phylogenetic reconstruction of parental–care systems in the ancestors of birds. Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences. 357: 251-257.
  • van Tuinen, Marcel; Waterhouse, David & Dyke, Gareth J. (2004): Avian molecular systematics on the rebound: a fresh look at modern shorebird phylogenetic relationships. J. Avian Biol. 35(3): 191-194. doi:10.1111/j.0908-8857.2004.03362.x PDF fulltext
  • Worthy, Trevor H.; Tennyson, A.J.D.; Jones, C.; McNamara, J.A. & Douglas, B.J. (2007): Miocene waterfowl and other birds from central Otago, New Zealand. J. Syst. Palaeontol. 5(1): 1-39. doi:10.1017/S1477201906001957 (HTML abstract)







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