Portal for reporting birds with colour marks

From this portal you can report quickly and easily your field sightings of birds with colour rings or special marks.

The site allows you to do the following:

  • Report your sightings.
  • View and manage your data.
  • View, map and export the records of the birds you have observed.

What kind of data can be reported?

The portal allows you to report any sighting of a bird with a single special mark. It can be of any type (e.g. a darvic ring or a wing tag), although it is essential that the mark has an unique alphanumeric code.


Enter data »


Currently, the portal has 221380records of 114different species.

# Name Scientific name en/sightings/
1 Audouin's Gull Larus audouinii 69291
2 Yellow-legged Gull Larus michahellis 41702
3 White Stork Ciconia ciconia 21630
4 Black-headed Gull Larus ridibundus 12727
5 Griffon Vulture Gyps fulvus 12214
6 Greater Flamingo Phoenicopterus roseus 7110
7 Common Buzzard Buteo buteo 6456
8 European Shag Phalacrocorax aristotelis 6283
9 Mediterranean Gull Larus melanocephalus 5688
10 Lesser Black-backed Gull Larus fuscus 5212
11 Grey Heron Ardea cinerea 4647
12 Lesser Kestrel Falco naumanni 3936
13 House Sparrow Passer domesticus 3060
14 Great Cormorant Phalacrocorax carbo 2993
15 Monk Parakeet Myiopsitta monachus 2985
16 Western Jackdaw Corvus monedula 2873
17 Western Cattle Egret Bubulcus ibis 2295
18 Slender-billed Gull Larus genei 1164
19 Little Egret Egretta garzetta 901
20 Sandwich Tern Sterna sandvicensis 828
21 Glossy Ibis Plegadis falcinellus 777
22 Black Redstart Phoenicurus ochruros 731
23 Common Kestrel Falco tinnunculus 720
24 Peregrine Falcon Falco peregrinus 580
25 Northern Raven Corvus corax 527
26 Eurasian Spoonbill Platalea leucorodia 472
27 Cinereous Vulture Aegypius monachus 365
28 Northern Wheatear Oenanthe oenanthe 316
29 Rose-ringed Parakeet Psittacula krameri 284
30 Balearic Shearwater Puffinus mauretanicus 282
31 Purple Swamphen Porphyrio porphyrio 235
32 Eurasian Hobby Falco subbuteo 235
33 Western Marsh Harrier Circus aeruginosus 223
34 Little Ringed Plover Charadrius dubius 198
35 Alpine Accentor Prunella collaris 190
36 Egyptian Vulture Neophron percnopterus 102
37 African Stonechat Saxicola torquatus 88
38 Red Kite Milvus milvus 87
39 Western Barn Owl Tyto alba 71
40 Great Tit Parus major 70
41 Red-billed Chough Pyrrhocorax pyrrhocorax 66
42 Montagu's Harrier Circus pygargus 65
43 Bearded Vulture Gypaetus barbatus 62
44 Greylag Goose Anser anser 54
45 Western Osprey Pandion haliaetus 53
46 Dunlin Calidris alpina 32
47 Black-crowned Night Heron Nycticorax nycticorax 28
48 Caspian Tern Sterna caspia 26
49 Black Kite Milvus migrans 23
50 Bonelli's Eagle Hieraaetus fasciatus 23
51 Purple Heron Ardea purpurea 22
52 Caspian Gull Larus cachinnans 22
53 Black-winged Stilt Himantopus himantopus 21
54 Little Owl Athene noctua 21
55 Black Stork Ciconia nigra 20
56 Great Egret Casmerodius albus 20
57 Short-toed Snake Eagle Circaetus gallicus 20
58 Common Tern Sterna hirundo 18
59 Red-knobbed Coot Fulica cristata 15
60 Little Tern Sterna albifrons 15
61 Golden Eagle Aquila chrysaetos 11
62 Greater Black-backed Gull Larus marinus 10
63 Alpine Chough Pyrrhocorax graculus 10
64 Eurasian Coot Fulica atra 9
65 European Roller Coracias garrulus 9
66 Pied Avocet Recurvirostra avosetta 8
67 Common Pigeon Columba livia 8
68 Richard's Pipit Anthus richardi 8
69 Common Pochard Aythya ferina 7
70 Eurasian Teal Anas crecca 7
71 European Herring Gull Larus argentatus 6
72 Common Ringed Plover Charadrius hiaticula 6
73 Cory's Shearwater Calonectris diomedea 5
74 Common Crane Grus grus 5
75 Whiskered Tern Chlidonias hybrida 5
76 Mute Swan Cygnus olor 5
77 Ruddy Turnstone Arenaria interpres 5
78 Kentish Plover Charadrius alexandrinus 4
79 Mandarin Duck Aix galericulata 4
80 Northern Goshawk Accipiter gentilis 3
81 Carrion Crow Corvus corone 3
82 Eurasian Wryneck Jynx torquilla 3
83 Rosy-faced Lovebird Agapornis roseicollis 2
84 Yelkouan Shearwater Puffinus yelkouan 2
85 Marbled Duck Marmaronetta angustirostris 2
86 Common Blackbird Turdus merula 2
87 Wood Sandpiper Tringa glareola 2
88 Grey Plover Pluvialis squatarola 2
89 Black-legged Kittiwake Rissa tridactyla 2
90 Red Knot Calidris canutus 1
91 Tundra Swan Cygnus columbianus 1
92 Little Stint Calidris minuta 1
93 Cetti's Warbler Cettia cetti 1
94 Great White Pelican Pelecanus onocrotalus 1
95 Sulphur-crested Cockatoo Cacatua galerita 1
96 Common Snipe Gallinago gallinago 1
97 Common Reed Bunting Emberiza schoeniclus 1
98 Ruddy Shelduck Tadorna ferruginea 1
99 Collared Pratincole Glareola pratincola 1
100 Mew Gull Larus canus 1
101 Eurasian Collared Dove Streptopelia decaocto 1
102 Citril Finch Serinus citrinella 1
103 Common Linnet Carduelis cannabina 1
104 Common Starling Sturnus vulgaris 1
105 Cockatiel Nymphicus hollandicus 1
106 Little Bittern Ixobrychus minutus 1
107 Geronticus eremita 1
108 Crested Lark Galerida cristata 1
109 Red-footed Falcon Falco vespertinus 1
110 Greater Short-toed Lark Calandrella brachydactyla 1
111 Black-tailed Godwit Limosa limosa 1
112 Elegant Tern Sterna elegans 1
113 Eurasian Oystercatcher Haematopus ostralegus 1
114 Ruff Philomachus pugnax 1

This portal aims to collate all information about birds with colour rings or special marks that are either ringed or observed in Catalonia. For projects or data recorded in other countries, check the European colour-ring Birding website (http://www.cr-birding.org/).