Caspian Hyrcanian mixed forests an important resting area for birds migrating between Russia and Africa and is thus a key habitat for many bird species. Some outstanding birds that can be found here are the greylag goose ("Anser anser"), white-fronted goose ("Anser albifrons"), Little bustard ("Tetrax tetrax"), glossy ibis ("Plegadis falcinellus"), Eurasian spoonbill ("Platalea leucorodia"), night heron ("Nycticorax nycticorax"), red-breasted goose ("Branta ruficollis"), peregrine falcon ("Falco peregrinus"), Dalmatian pelican ("Pelecanus crispus"), Western cattle egret ("Bubulcus ibis"), squacco heron ("Ardeola ralloides"), greater flamingo ("Phoenicopterus roseus"), white-headed duck ("Oxyura leucocephala"), and Caspian snowcock ("Tetraogallus caspius"). The diversity and endemism of the species represented in the ecoregion
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