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We specialise in bird
control & removal

All wild birds are protected under the Wildlife & Countryside Act 1981. Despite this, some bird species can be controlled under the terms of the General Licences as issued by DEFRA.

Information

Crows (Corvidae) – (Rook, Carrion Crow, Hooded Crow, Jackdaw, Magpie, Jay, Raven)

These licences authorise the use of lethal control methods in specific circumstances to control numbers of listed birds. The crow family are capable of causing serious damage to growing crops for large scale farms as well as gardeners and allotments with large flocks capable of stripping more than 50% of a seeded field before the crop even has a chance to grow above ankle height. 

This can cause significant financial impact to those it affects. They are also a carnivorous species with evidence of them raiding the nests of smaller and song birds to steal eggs and young chicks to eat.

ASW-Pest-Control-Specialists_Trowbridge_Rook

Appearance

  • Rook (Corvus Frugilegus) and Carrion (Corvus Corone) are very similar, both circa. 46cm long head to tail. Rook has a bare face patch whilst carrion crows have a purplish gloss to their plumage and baggy thigh feathers
  • Hooded crow (Corvus Cornix) is the same size and shape as carrion crow however has a light grey body with a black head
  • Jackdaw (Corvus Monedula) is smaller at only approx. 33cm in length with a grey nape
  • Raven (Corvus Corax) is the largest UK corvid at circa. 64cm in length with a heavier appearance and deep call
  • Magpie (Pica Pica) is the only large black and white bird with a noticeably long tail

Habits

  • Rooks, Carrions and Jackdaws are all very communal birds living in flocks and are often seen together
  • Hooded crows are usually seen in pairs and nest singly. Occurs in Northern Scotland and Ireland
  • Ravens favour hilly country particularly cliffs and mountains. Usually a seen singularly or in pairs though have been known to flock at times. Generally found in Scotland, Wales and SW England
  • Magpies are sometimes seen in flocks though more commonly in singles or pairs. Frequent areas with scattered trees and shrubs, recently becoming a common urban species

Life Cycle

  • Most members of the crow family reach sexual maturity around 3 years for females and 5 years for males
  • Clutch sizes vary from 3 to 9 eggs with a nesting period of 20 to 40 days
  • Most crows will pair for life
  • Life expectancy of up to 20 years though can be more.

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