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GALLERIES > BIRDS > CHARADRIIFORMES > GLAREOLIDAE > EGYPTIAN PLOVER [Pluvianus aegyptius]


Egyptian Plover Picture
 
 

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SPECIES INFO

Binomial name Pluvianus aegyptius
(Linnaeus, 1758)

The Egyptian Plover, Pluvianus aegyptius, is a wader, the only member of the genus Pluvianus. Formerly placed in its own monotypic family Pluvianidae, it is now regarded as the sole member of the subfamily Pluvianinae, part of the pratincole and courser family, Glareolidae.

It is also sometimes referred to as the Crocodile Bird because it is famous for an unconfirmed symbiotic relationship with crocodiles. According to a story dating to Herodotus, the crocodiles lie on the shore with their mouths open, and the plovers fly into the crocodiles' mouths so as to feed on bits of decaying meat that are lodged between the crocodiles' teeth. The crocodiles do not eat the plovers, as the plovers are providing the crocodiles with greatly-needed dentistry. Two prominent ornithologists have supported this story anecdotally,[who?] but the behaviour has never been authenticated (Richford and Mead 2003).

The Egyptian Plover is a localised resident in tropical sub-Saharan Africa. It breeds on sandbars in large rivers. Its two or three eggs are not incubated, but are buried in warm sand, temperature control being achieved by the adult sitting on the eggs with a water-soaked belly to cool them. If the adult leaves the nest, it smooths sand over the eggs, though if it is frightened the job may be hasty.

The chicks are precocial, and can run as soon as they are hatched and feed themselves shortly afterwards. The adults cool the chicks in the same way as with the eggs. The chicks may drink water from the adult's belly feathers. The adults bury the chicks in the sand temporarily if danger threatens.

Egyptian Plover is a striking and unmistakable species. The 19-21 cm long adult has a black crown, back, eye-mask and breast band. The rest of the head is white. The remaining upperpart plumage is blue-grey, and the underparts are orange. The longish legs are blue-grey.

In flight, it is even more spectacular, with the black crown and back contrasting with the grey of the upperparts and wings. The flight feathers are brilliant white crossed by a black bar. From below, the flying bird is entirely white, apart from the orange belly and black wing bar. After landing, members of a pair greet each other by raising their wings in an elaborate ceremony that shows off the black and white markings. The sexes are similar, but juveniles are duller and the black marking are intermixed with brown.

This usually very tame bird is found in pairs or small groups near water. It feeds by pecking for insects. The call is a high-pitched krrr-krrr-krrr.





                                     



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