Elburz Range forest steppe and Caspian snowcock ("Tetraogallus caspius"). Eagles here are the lesser spotted eagle ("Aquila pomarina") and the golden eagle ("Aquila chrysaetos"). The ecoregion is also a breeding area for the little bustard ("Tetrax tetrax") and black woodpecker ("Dryocopus martius"). Logging and agriculture have reduced the range of the forests in this ecoregion, dams have disrupted river flows, and overgrazing has degraded habitat. Protected areas with Elburz Range forest steppe in Iran include Golestan National Park and the Ghorkhod Protected Area, both in Golestan Province and totalling . Elburz Range forest steppe The Elburz Range forest steppe ecoregion is an arid, mountainous
Xylota tarda Russia and the Caucasus then through Russia to Siberia and the Pacific coast (Kuril islands). Old woodland species running on the foliage of bushes and shrubs and on tree stumps and nearby bare ground. The larva has been found in sap runs at the base of the trunk of "Populus tremula" and in rotting wood of "Fagus". 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