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Species_and_authority Common_name Total_length_(cm) Body_length_(cm) Wing_span_(cm) M:_tail_mean_(mm) M:_tail_range_(mm) F:_tail_mean_(mm) F:_tail_range_(mm) MF:_tail_mean_(mm) MF:_tail_range_(mm) M:_wing_mean_(mm) M:_wing_range_(mm) F:_wing_mean_(mm) F:_wing_range_(mm) MF:_wing_mean_(mm) MF:_wing_range_(mm) M:_bill_mean_(mm) M:_bill_range_(mm) F:_bill_mean_(mm) F:_bill_range_(mm) MF:_bill_mean_(mm) MF:_bill_range_(mm) M:_tarsus_mean_(mm) M:_tarsus_range_(mm) F:_tarsus_mean_(mm) F:_tarsus_range_(mm) MF:_tarsus_mean_(mm) MF:_tarsus_range_(mm) M:_toe_mean_(mm) M:_toe_range_(mm) F:_toe_mean_(mm) F:_toe_range_(mm) M:_claw_mean_(mm) M:_claw_range_(mm) F:_claw_mean_(mm) F:_claw_range_(mm) M:_mean_(g) M:_range_(g) F:_mean_(g) F:_range_(g) MF:_mean_(g) MF:_range_(g) Adult_pre-breeding Adult_post-breeding Post_juvenile First_pre-breeding First_post-breeding
Accipiter gentilis (Linnaeus 1758) Goshawk 48-62 n/k 135-165 223 213-229 256 246-265 n/a n/a 312 306-323 353 336-366 n/a n/a 22.0 20.5-23.7 25.0 22.0-26.1 n/a n/a 74.4 72.5-76.0 84.0 81.0-87.0 n/a n/a 43.1 40.5-44.8 50.2 47.6-52.7 27.5 25.5-28.9 32.5 30.1-35.3 n/k 517-1110 n/k 820-2054 n/k n/k n/k complete; April/September complete; in second calendar year, later than adult n/k n/k
Accipiter nisus (Linnaeus 1758) Sparrowhawk 28-38 n/k 55-70 149 143-156 180 169-184 n/a n/a 203 196-212 240 231-256 n/a n/a 11.4 10.5-12.1 14.4 13.3-15.5 n/a n/a 53.4 51.0-55.0 61.0 59.0-64.0 n/a n/a 32.3 30.6-33.9 39.0 37.5-41.4 12.9 12.1-13.9 15.5 14.0-17.8 144 110-196 264 185-342 n/a n/a n/k complete; May/June to September complete; after May n/k n/k
Acrocephalus melanopogon (Temminck 1823) Moustached Warbler 12-13 n/k 15-16.5 50.4 48-53 48.1 44-51 n/a n/a 59.3 58-62 57.3 55-59 n/a n/a 8.1 7.8-8.6 7.9 6.9-8.2 n/a n/a 21.2 20.2-21.9 20.7 19.9-21.6 n/a n/a n/k n/k n/k n/k n/a n/a n/a n/a n/k n/k n/k n/k 11.5 9-17 partial; December/March, depending on area complete; mid-July/November, depending on area complete; varies n/k n/k
Acrocephalus paludicola (Vieillot 1817) Aquatic Warbler 13 n/k 16.5-19.5 46.0 43-50 46.6 45-50 n/a n/a 63.1 60-66 62.7 60-66 n/a n/a 13.6 12.5-14.6 13.7 12.9-14.5 n/a n/a 20.7 19.9-21.7 20.5 19.7-21.5 n/a n/a n/k n/k n/k n/k n/a n/a n/a n/a 13.1 11-15 12.5 10-15 n/a n/a n/k n/k n/k n/k n/k
Acrocephalus palustris (Bechstein 1798) Marsh Warbler 13 n/k 18-21 51.8 48-55 51.7 48-55 n/a n/a 69.6 67-73 68.1 65-71 n/a n/a 8.6 8.0-9.0 8.5 8.0-9.1 n/a n/a 23.0 21.9-24.1 22.4 21.5-23.3 n/a n/a n/k n/k n/k n/k n/a n/a n/a n/a 12.6 10.7-18.0 11.4 10.0-15.5 n/a n/a complete; January/April partial; July onwards partial; July/August n/k n/k
Acrocephalus schoenobaenus (Linnaeus 1758) Sedge Warbler 13 n/k 17-21 47.3 44-50 46.7 44-48 n/a n/a 67.2 65-71 64.7 62-67 n/a n/a 8.0 7.5-8.6 8.0 7.5-8.4 n/a n/a 21.4 20.0-22.5 20.8 20.1-21.7 n/a n/a n/k n/k n/k n/k n/a n/a n/a n/a n/k 10-17.5 n/k 9-13.6 n/k n/k partial or absent, depends when previous moult complete; July/August to September/October none until reach winter quarters, then complete n/k n/k
Acrocephalus scirpaceus (Hermann 1804) Reed Warbler 13 n/k 17-21 51.3 49-54 50.9 49-53 n/a n/a 66.8 64.0-69.0 66.0 63.0-69.0 n/a n/a 9.3 8.7-9.9 9.2 8.5-9.7 n/a n/a 23.1 21.9-24.3 22.8 21.4-24.1 n/a n/a n/k n/k n/k n/k n/a n/a n/a n/a n/k 9.0-16.0 n/k 9.6-16.0 n/k n/k partial; September/March partial or complete; mid-July/August and in winter quarters partial, at 6-7 weeks; complete, 3-4 weeks July/September n/k n/k
Actitis hypoleucos (Linnaeus 1758) Common Sandpiper 19-21 n/k 38-41 52.5 49-56 53.5 50-58 n/a n/a 112 107-116 112 109-116 n/a n/a 24.6 23-27 24.5 23-27 n/a n/a 24.3 23-26 24.5 23-26 n/a n/a 23.3 22-25 23.3 22-25 n/a n/a n/a n/a 52.2 38-70 51 42-67 n/a n/a partial; February/May complete; in winter quarters, occasionally earlier, June/July to January/February complete or nearly so; in winter quarters mostly, September/March like adult, March/April n/k
Actitis macularia (Linnaeus 1766) Spotted Sandpiper 18-20 n/k 37-40 46.1 43-49 48.7 46-52 n/a n/a 105 100-112 109 106-113 n/a n/a 23.2 22-25 24.1 23-26 n/a n/a 23.5 22-26 24.1 23-26 n/a n/a 21.7 20-23 22.1 21-24 n/a n/a n/a n/a 35.5 19-54 26.2 27-47 n/a n/a partial; February/April complete or scattered feathers, suspended in migration; full moult in winter quarters, January/March complete or partial; in winter quarters, September/October to March/April partial; March/May n/k
Aegithalos caudatus (Linnaeus 1758) Long-tailed Tit 14 n/k 16-19 84 (rosaceus) 80-86.5 (rosaceus) 84.5 (rosaceus) 80-90 (rosaceus) 92.4 (caudatus) 85-97 (caudatus) 61.6 (rosaceus) 58-63 (rosaceus); 60-65 (caudatus) 59.1 (rosaceus) 57-61.5 (rosaceus); 58-63.5 (caudatus) n/a n/a 4.4 (rosaceus) 3.9-4.9 (rosaceus) 4.5 (rosaceus) 4-4.9 (rosaceus) n/a n/a 17.3 (rosaceus) 16.8-18.0 (rosaceus); 16-17.5 (caudatus) 16.9 (rosaceus) 16.5-17.3 (rosaceus) n/a n/a n/k n/k n/k n/k n/a n/a n/a n/a n/k n/k n/k n/k 8.64 7.5-10.1 n/k complete; May/October, about 80 days complete; June/October n/k n/k
Aix galericulata (Linnaeus 1758) Mandarin Duck 41-49 28-34 68-74 101 94-111 99.3 94-104 n/a n/a 235 226-242 226 215-234 n/a n/a 28.6 27-31 28.2 27-30 n/a n/a 38.1 36-40 36.7 35-38 n/a n/a 48.6 46-52 47 45-49 n/a n/a n/a n/a 628 571-693; up to 725 in semi-captivity 512 428-608 n/a n/a partial; head, body, tertials, August to September/October complete; May, flightless one month partial; head, body, tail, August onwards partial; head, body, tertials, September onwards n/k
Aix sponsa (Linnaeus 1758) Wood Duck n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/a n/a n/a n/a n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k n/k
Alauda arvensis Linnaeus 1758 Skylark 18-19 n/k 30-36 66.2 62-70 61.5 59-64 n/a n/a 114.5 108-123 104.9 99-112 n/a n/a 9.9 9.1-11.0 9.2 8.5-10.0 n/a n/a 24.9 23.5-26.7 24.0 22.6-25.5 n/a n/a n/k n/k n/k n/k n/a n/a n/a n/a 42.7 32-51 37.2 29-47 n/a n/a n/k complete; July/September complete; 2-4 weeks after fledging, finishes in August/October n/k n/k
Alca torda Linnaeus 1758 Razorbill 37-39 31-32 63-68 75.7 (islandica) 66-86 (islandica) 78.4 (islandica) 76-83 (islandica) n/a n/a 209.7 (torda); 193.6 (islandica) 201-216 (torda); 187-200 (islandica) 207.6 (torda); 196.8 (islandica) 201-216 (torda); 194-200 (islandica) n/a n/a 35.7 (torda); 34.2 (islandica) 32.0-39.0 (torda); 31.3-38.5 (islandica) 34.5 (torda); 32.3 (islandica) 32.0-37.0 (torda); 20.7-33.6 (islandica) n/a n/a 30.7 (islandica) 28.0-33.2 (islandica) 29.5 (islandica) 27.6-31.2 (islandica) n/a n/a 45.3 (islandica) 44-49 (islandica) 45.4 (islandica) 44-47 (islandica) n/a n/a n/a n/a 734 (summer), 485 (winter) 424-890 (summer), 391-645 (winter) 700 (summer), 453 (winter) 620-800 (summer), 372-518 (winter) n/a n/a partial; January/April, head and neck, some body complete; August/October partial; body and s July to October/November, flight feathers and tail about 5 weeks old n/k n/k
Alcedo atthis (Linnaeus 1758) Kingfisher 16-17 n/k 24-26 36.5 35-39 37.1 34-40 n/a n/a 78.3 76-81 78.2 76-81 n/a n/a 33.5 30-36 32.7 30-35 n/a n/a 10.2 9.4-10.9 10.2 9.6-11.2 n/a n/a 17.3 16-18 17.5 16-19 n/a n/a n/a n/a 39.3 34-43 39.2 34-46 n/a n/a n/k complete or almost; June/August to October/November partial; head, body and various numbers of tail feathers, highly variable timing July/August to October, others still juvenile in December n/k n/k
Alectoris chukar (Gray 1830) Chukar 32-34 n/k 47-52 82.3 76-87 78.9 74-86 n/a n/a 168 162-172 154 148-160 n/a n/a 15.2 14-16 14.3 13-15 n/a n/a 46.8 45-48 44.1 42-46 n/a n/a 47.8 45-50 44.0 42-47 n/a n/a n/a n/a 536 504-594 501 462-545 n/a n/a n/k complete; male June/July, females June/October complete; highly variable timing, starts at 5 weeks old, up to August/November n/k n/k
Alectoris rufa (Linnaeus 1758) Red-legged Partridge 32-34 n/k 47-50 93.2 87-97 84.4 77-92 n/a n/a 165 161-169 157 152-161 n/a n/a 13.9 13-15 13.3 12-14 n/a n/a 44.5 41-46 41.4 39-43 n/a n/a 44.8 42-48 42.3 40-45 n/a n/a n/a n/a n/k 480-547 n/k 391-514 n/k n/k n/k complete; late June/mid-November complete; June/September to mid-August/November except two outer primaries n/k n/k
Alle alle Linnaeus 1758 Little Auk 17-19 n/k 40-48 32.3 27-36 32.3 29-35 n/a n/a 123.3 116-127 120.7 116-125 n/a n/a 16.1 15-17 15.5 13-17 n/a n/a 20.6 19.3-22.0 20.2 19.0-22.0 n/a n/a 29.0 26.7-32.1 28.6 26.3-29.7 n/a n/a n/a n/a n/k n/k n/k n/k 163 134-192 partial; body December/March poorly known, complete; body May to September, flight feathers and tail, September/October body, September/October first non-breeding moult by November n/k
Alopochen aegyptiacus (Linnaeus 1766) Egyptian Goose 63-73 n/k 134-154 123 116-130 121 111-131 n/a n/a 392 378-406 375 352-390 n/a n/a 49.6 46-54 47.9 43-52 n/a n/a 85.5 80-95 80.2 73-85 n/a n/a 76.9 72-82 72.4 67-76 n/a n/a n/a n/a 2500 n/k 2040 n/k n/k n/k n/k moult of body and tail after breeding partial; after fledging for a few months n/k n/k
Anas acuta Linnaeus 1758 Pintail 51-66 34-44 80-95 179 172-189 104 95-113 n/a n/a 275 267-282 260 254-267 n/a n/a 50.9 47-56 46.7 44-51 n/a n/a 42.6 40-45 41.0 39-43 n/a n/a 55.4 42-59 52.9 50-57 n/a n/a n/a n/a 851 680-1150 735 550-900 n/a n/a like mallard but 2-3 weeks later like mallard but 2-3 weeks later n/k n/k n/k