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October 13, 2005
Changes to Category C of the British List
With the publication of the Committee‚s review of Category C (Ibis 147: 803-819) the following changes to the British List take immediate effect:
Mute Swan Cygnus olor Categories AC change to AC2
Black Swan Cygnus atratus Category E* - no change
Greylag Goose Anser anser Categories ACE* change to AC2C4E*
Snow Goose Anser caerulescens Categories AE* change to AC2E*
Greater Canada Goose Branta canadensis Categories ACE* change to C2E*
Barnacle Goose Branta leucopsis Categories AE* change to AC2E*
Egyptian Goose Alopochen aegyptiacus Categories CE* change to C1E*
Ruddy Shelduck Tadorna ferruginea Categories BDE* - no change
Muscovy Duck Cairina moschata Category E* - alert JNCC
Wood Duck Aix sponsa Category E* - no change
Mandarin Duck Aix galericulata Categories CE* change to C1E*
Gadwall Anas strepera Category A change to AC2
Mallard Anas platyrhynchos Categories AE* change to AC2C4E*
Red-crested Pochard Netta rufina Categories AE* change to AC2E*
Ruddy Duck Oxyura jamaicensis Categories CE* change to C1E*
Black Grouse Tetrao tetrix Categories AE ˆ no change
Western Capercaillie Tetrao urogallus Categories BC change BC3
Red-legged Partridge Alectoris rufa Categories CE* change to C1E*
Grey Partridge Perdix perdix Categories ACE change to AC2E
Common Pheasant Phasianus colchicus Categories CE* change to C1E*
Golden Pheasant Chrysolophus pictus Categories CE* change to C1E*
Lady Amherst‚s Pheasant Chrysolophus amherstiae Categories CE* change to C6E*
Black-crowned Night Heron Nycticorax nycticorax Categories AE* ˆ no change
Sacred Ibis Threskiornis aethiopicus Category E ˆ no change
Red Kite Milvus milvus Categories AC change to AC3
White-tailed Eagle Haliaeetus albicilla Categories ACE change to AC3E
Northern Goshawk Accipiter gentilis Categories AE* change to AC3E*
Rock/Feral Pigeon Columbia livia Categories AE* change to AC4E*
Rose-ringed Parakeet Psittacula krameri Categories CE* change to C1E*
Barn Owl Tyto alba Categories AE* - no change
Little Owl Athene noctua Category C change to C1
NOTE ˆ the creation of Category C6 (Lady Amherst‚s Pheasant ˆ see paper).
A PDF copy of the Ibis paper is attached and can be viewed here
Posted by Surfbirds at October 13, 2005 03:54 AM
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