Grey-faced WoodpeckerPicus canus
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Approval of Crimson List Type
This varieties offers an incredibly large variety, and therefore does not really process the thresholds for Vulnerable under the range size requirements (Extent of Event lt;20,000 kilometres2combined with a declining or fluctuating variety size, habitat level/quality, or human population dimension and a small quantity of places or severe fragmentation). The people trend shows up to be increasing consequently the varieties is not really considered to approach the thresholds for Vulnerable under the people trend qualifying criterion (gt;30% drop over ten yrs or three decades). The people size provides not ended up quantified, but it is not considered to approach the thresholds for Susceptible under the inhabitants size criterion (lt;10,000 older individuals with a moving forward decline estimated to become gt;10% in ten decades or three ages, or with a specific population construction). For these reasons the varieties is examined as Minimum Issue.
This varieties offers an incredibly large variety, and therefore does not really process the thresholds for Vulnerable under the range size requirements (Extent of Event lt;20,000 kilometres2combined with a declining or fluctuating variety size, habitat level/quality, or human population dimension and a small quantity of places or severe fragmentation). The people trend shows up to be increasing consequently the varieties is not really considered to approach the thresholds for Vulnerable under the people trend qualifying criterion (gt;30% drop over ten yrs or three decades). The people size provides not ended up quantified, but it is not considered to approach the thresholds for Susceptible under the inhabitants size criterion (lt;10,000 older individuals with a moving forward decline estimated to become gt;10% in ten decades or three ages, or with a specific population construction). For these reasons the varieties is examined as Minimum Issue.
Human population justification
The global population size is unidentified given recent taxonomic splits. The Western population can be approximated at 187,000-360,000 pairs, which equates to 374,000-720,000 mature individuals (BirdLife Global 2015). European countries forms c.40% of the global range so a quite preliminary estimate of the worldwide population size is definitely 935,000-1,800,000 mature people although additional acceptance of this estimation is required. The populace is thus placed in the music group 900,000-1,899,999 adult people.
The global population size is unidentified given recent taxonomic splits. The Western population can be approximated at 187,000-360,000 pairs, which equates to 374,000-720,000 mature individuals (BirdLife Global 2015). European countries forms c.40% of the global range so a quite preliminary estimate of the worldwide population size is definitely 935,000-1,800,000 mature people although additional acceptance of this estimation is required. The populace is thus placed in the music group 900,000-1,899,999 adult people.
Craze justification
In Europe, tendencies between 1982 and 2013 have been improving (EBCC 2015). Data from various other components of the range is restricted nevertheless the population elsewhere seems to be relatively stable (Winkler and Christie 2015).
In Europe, tendencies between 1982 and 2013 have been improving (EBCC 2015). Data from various other components of the range is restricted nevertheless the population elsewhere seems to be relatively stable (Winkler and Christie 2015).
This species occupies a broad variety of habitats. It uses open country with several copses, in not really over-dense woodland, floodplain-forest, theme parks, orchards and gardens. It will be associated mainly with deciduous trees and shrubs, but locally in pine-oak (Pinus-Quercus) woodland, or even more open up coniferous montane woodland with larch (Larix). In Europe it will be found in lowlands and hills up to 1,700 m and non-breeders up to 2,000 m. It lays from the end of Apr to early August and handbags are usually four to ten eggs. The nest-hole is usually excavated in inactive real wood or smooth living wood, or in fungus-afflicted difficult real wood and most usually in deciduous trees and shrubs of range of types. Its diet is primarily ants (Myrmica,Lasius), termites (Isoptera) and their family, which often create up even more than 90% of belly items but it furthermore feeds on various other pests and spiders as properly as the nest contents of other birds, fruit, berries, seeds, nut products, acorns and nectar. The types is certainly non-migratory although some local post-breeding motions occur (Winkler and Christie 2015).
The large-scale distance of previous deciduous forest and conversion to coniferous plantations, ending in environment reduction and solitude is a main threat. Changes in forestry practice are usually shortening the rotation period, ending in the loss of possible nesting trees and a designated reduction in the time-span obtainable for nesting. Higher ranges of nutritional insight from agriculture are believed to reduce environment suitability for ants and therefore driving declines in the varieties's major food source. Orchards are also being dropped through the growth of villages. The degree and high quality of riverine jungles is also decreasing through flood-prevention techniques, canalization and damming (Tucker and Heath 1994).
Conservation Activities Underway
European union Chickens Directive Annex I. Bern Tradition Appendix II. There are no identified current preservation measures for this species in Europe.
Conservation Actions Proposed
The establishment of guarded areas can be insufficient to preserve this varieties. Forestry management should become reduced in strength and the clear cutting of older woodland prevented in order to assist develop and maintain a system of old deciduous woodland. In inclusion rotation intervals in forestry should become prolonged and the replacement unit of deciduous woodland with coniferous halted. The reduction of nutritional insight into areas outside of woodland is needed and nutritional bad grasslands should be managed (Tucker and Heath 1994). There can be very little research on this types in European countries. Studies on the varieties's ecology and population dynamics are needed (Pasinelli 2006). Research should also concentrate on the impact of contemporary forestry and agricultural land use on the distribution and rate of recurrence of the species (Tucker and Heath 1994).
European union Chickens Directive Annex I. Bern Tradition Appendix II. There are no identified current preservation measures for this species in Europe.
Conservation Actions Proposed
The establishment of guarded areas can be insufficient to preserve this varieties. Forestry management should become reduced in strength and the clear cutting of older woodland prevented in order to assist develop and maintain a system of old deciduous woodland. In inclusion rotation intervals in forestry should become prolonged and the replacement unit of deciduous woodland with coniferous halted. The reduction of nutritional insight into areas outside of woodland is needed and nutritional bad grasslands should be managed (Tucker and Heath 1994). There can be very little research on this types in European countries. Studies on the varieties's ecology and population dynamics are needed (Pasinelli 2006). Research should also concentrate on the impact of contemporary forestry and agricultural land use on the distribution and rate of recurrence of the species (Tucker and Heath 1994).
Text message account compilers
Butchart, T., Ekstrom, M., Symes, A., Taylor, L., Ashpole, M
Butchart, T., Ekstrom, M., Symes, A., Taylor, L., Ashpole, M
Suggested quotation
BirdLife World (2019) Species factsheet:Picus canus. Downloaded from http://www.birdlife.org on 20/06/2019. Suggested citation for factsheets for even more than one types: BirdLife International (2019) IUCN Red Checklist for birds. Downloaded from http://www.birdlife.org on 20/06/2019.
BirdLife World (2019) Species factsheet:Picus canus. Downloaded from http://www.birdlife.org on 20/06/2019. Suggested citation for factsheets for even more than one types: BirdLife International (2019) IUCN Red Checklist for birds. Downloaded from http://www.birdlife.org on 20/06/2019.