Great bustard Army training area. Here the lack of public access allows them the freedom needed as a large ground-nesting bird. It is classified by the IUCN as "vulnerable". The great bustard was classified with its scientific name in 1758 by Carl Linnaeus, though the species was referred to as "avis tarda" in the much older writings of Pliny the Elder, and hence its names in English (from Old French "bistarda") and some other languages: "abetarda" (pt), "avetarda" (gl), "avutarda" (es). "Otis" is an Old Greek name for "bustard". The specific name, "tarda", is Latin for "slow" and "deliberate", which is apt
Xylota tarda Xylota tarda Xylota tarda is a Palearctic species of hoverfly. External images For terms see Morphology of Diptera<br> Wing length 5·5-8·5 mm. Large red areas on black abdomen. Wing membrane not infuscated. Dorso-apical white bristle on metatarsus 1. Antero-dorsal pale hairs on the basal half of femur 3 uniform not longer than 1/4 the depth of femur. The male genitalia are figured by Hippa (1968). The larva is illustrated in colour by Rotheray (1994) ). See references for determination (but see Speight for contradiction) Palearctic Fennoscandia South to Spain. Northern Italy (Apennines) Slovenia. Ireland East through Central Europe into European