Eurystomus is a genus of roller, one of the two genera in that family of birds.
The name means ‘broad mouth’, from the Greek eurus (εὐρύς, ‘broad, wide’) and stoma (στόμα, ‘mouth’).[1]
Eurystomus contains four broad-billed species, which breed in Africa, Asia and Australasia. Two species are restricted to Africa, one of which, the broad-billed roller, is migratory. The oriental dollarbird has a large distribution ranging from India to Japan and Australia and it too, is migratory over the northern and southern extremes of its range. The final species, the azure dollarbird, is endemic to the Moluccas in Indonesia. In general they are open country foragers, occurring in woodland, savanna and farmland. The azure dollarbird and the broad-billed roller are both associated with rainforests but nevertheless require open areas in which to forage.
The species of the genus Eurystomus vary from the other genus of rollers, Coracias, in having proportionally longer wings and shorter legs. These morphological differences are reflected in differences of foraging techniques. Coracias rollers forage from a fixed perch and take prey by swooping down onto it on the ground, while the faster and more agile Eurystomus rollers catch their prey on the wing. Unlike the species of the genus Coracias, they do not perform the "rolling" display which gives the family its common name.[2]
^William Somerville Orr (1855). Orr's circle of the sciences: a series of treatises on the principles of science, with their application to practical pursuits. W.S. Orr & Company. p. 517.
^Fry, C (2001), "Family Coraciidae (Rollers)", in del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi (eds.), Handbook of the Birds of the World. Volume 6, Mousebirds to Hornbills, Barcelona: Lynx Edicions, pp. 342–369, ISBN 978-84-87334-30-6
that the azure dollarbird (Eurystomus azureus) was nested in a clade containing subspecies of the Oriental dollarbird (Eurystomus orientalis). William Somerville...
Wikimedia Commons has media related to Eurystomus orientalis. Wikispecies has information related to Eurystomus orientalis. BirdLife Species Factsheet...
The widemouth blindcat (Satan eurystomus) is a species of North American freshwater catfish endemic to Texas in the United States. It is the only species...
Drymaeus eurystomus is a species of tropical air-breathing land snail, a pulmonate gastropod mollusk in the family Bulimulidae. Fulton (1905) was the first...
Rainer; Pauly, Daniel (eds.) (2022). Cyphocottus&speciesname=eurystomus" Cyphocottus eurystomus" in FishBase. August 2022 version. Taliev, D. N. 1955 [ref...
Centropogon eurystomus is a species of plant in the family Campanulaceae. It is endemic to Ecuador. Its natural habitat is subtropical or tropical moist...
Schizothorax eurystomus is a species of ray-finned fish in the genus Schizothorax. Froese, Rainer; Pauly, Daniel (eds.) (2006). "Schizothorax eurystomus" in FishBase...
that the azure dollarbird (Eurystomus azureus) was nested in a clade containing subspecies of the Oriental dollarbird (Eurystomus orientalis). The roller...
The azure dollarbird (Eurystomus azureus) also known as the azure roller, purple dollarbird or purple roller, is a species of bird in the family Coraciidae...
of the flathead catfish is the much smaller widemouth blindcat, Satan eurystomus. The flathead catfish is also known as the yellow cat, mud cat, Johnnie...
salamander has any natural predators, however the stygobitic catfish Satan eurystomus also lives in Edwards Aquifer, so it might be a potential predator. However...
Adaptations of the Texas Blind Catfishes Trogloglanis pattersoni and Satan eurystomus (Siluriformes: Ictaluridae) to Their Underground Environment". Copeia...
Adaptations of the Texas Blind Catfishes Trogloglanis pattersoni and Satan eurystomus (Siluriformes: Ictaluridae) to Their Underground Environment". Copeia...
pattersoni is a detritivore. Along with the related widemouth blindcat (Satan eurystomus), this species inhabits subterranean habitats in five artesian wells penetrating...
There are currently two recognized species in this genus: Cyphocottus eurystomus (Taliev, 1955) Cyphocottus megalops (Gratzianov, 1902) Eschmeyer, William...
affinis Said to intergrade with above but distinctive in plumage in core range European roller Coracias garrulus Oriental dollarbird Eurystomus orientalis...
a junior synonym species epithet for the lung breathing snail Bulimus eurystomus This disambiguation page lists articles associated with the title Hamadryas...
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