Tetrax Tetrax
Tetrax tetrax -- (Linnaeus, 1758) ANIMALIA -- CHORDATA -- AVES -- OTIDIFORMES -- OTIDIDAE Common names: Little Bustard; Sisón European Red List Assessment European Red List Status VU -- Vulnerable, (IUCN version 3.1) Assessment Information Year published: 2015 Date assessed: 2015-03-31 Assessor(s): BirdLife International Reviewer(s): Symes, A. Compiler(s): Ashpole, J., Burfield, I., Ieronymidou, C., Pople, R., Wheatley, H. & Wright, L. Assessment Rationale European regional assessment: Vulnerable (VU) EU27 regional assessment: Vulnerable (VU) This small bustard is undergoing rapid population declines in Spain, which holds c70% of the European population. It is therefore classified as Vulnerable in both Europe and the EU27. Occurrence Countries/Territories of Occurrence Native: Armenia; Austria; Azerbaijan; Belarus; Bulgaria; Croatia; Czech Republic; France; Georgia; Germany; Greece; Hungary; Italy; Macedonia, the former Yugoslav Republic of; Moldova; Montenegro; Poland; Portugal; Russian Federation; Serbia; Slovakia; Spain; Turkey; Ukraine Origin Uncertain: Romania Vagrant: Belgium; Cyprus; Denmark; Finland; Ireland, Rep. of; Latvia; Luxembourg; Malta; Netherlands; Norway; Sweden; Switzerland; United Kingdom Population The European population is estimated at 60,900-120,000 males, which equates to 122,000-240,000 mature individuals. The population in the EU27 is estimated at 56,800-111,000 502, which equates to 114,000-222,000 mature individuals. For details of national estimates, see Supplementary PDF. Trend In Europe and the EU27 the population size is estimated to be decreasing by 30-49% in 30.9 years (three generations). For details of national estimates, see Supplementary PDF. Habitats and Ecology This species inhabits dry grassland and, in Europe, it also occurs in areas of low-intensity arable cultivation and pastoral land, selecting areas with a high diversity of ground cover such as mosaics of pasture, stubble fields, long-rotation fallow land and legume crops (Martin et al.
[Show full text]