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 241811 records of 120 different species.

# Name Scientific name Sightings
1 Audouin's Gull Larus audouinii 74449
2 Yellow-legged Gull Larus michahellis 42477
3 White Stork Ciconia ciconia 24432
4 Black-headed Gull Larus ridibundus 13802
5 Griffon Vulture Gyps fulvus 13757
6 Greater Flamingo Phoenicopterus roseus 8562
7 Lesser Kestrel Falco naumanni 7636
8 European Shag Phalacrocorax aristotelis 6855
9 Common Buzzard Buteo buteo 6490
10 Mediterranean Gull Larus melanocephalus 5740
11 Lesser Black-backed Gull Larus fuscus 5321
12 Grey Heron Ardea cinerea 4704
13 Western Jackdaw Corvus monedula 3919
14 Great Cormorant Phalacrocorax carbo 3176
15 House Sparrow Passer domesticus 3074
16 Monk Parakeet Myiopsitta monachus 3045
17 Western Cattle Egret Bubulcus ibis 2391
18 Slender-billed Gull Larus genei 1172
19 Little Egret Egretta garzetta 902
20 Sandwich Tern Sterna sandvicensis 885
21 Common Kestrel Falco tinnunculus 865
22 Black Redstart Phoenicurus ochruros 827
23 Glossy Ibis Plegadis falcinellus 787
24 Peregrine Falcon Falco peregrinus 748
25 Eurasian Spoonbill Platalea leucorodia 577
26 Northern Raven Corvus corax 528
27 Cinereous Vulture Aegypius monachus 455
28 Northern Wheatear Oenanthe oenanthe 419
29 Western Barn Owl Tyto alba 323
30 Rose-ringed Parakeet Psittacula krameri 285
31 Balearic Shearwater Puffinus mauretanicus 281
32 Eurasian Hobby Falco subbuteo 273
33 Little Ringed Plover Charadrius dubius 249
34 Western Marsh Harrier Circus aeruginosus 237
35 Purple Swamphen Porphyrio porphyrio 235
36 Alpine Accentor Prunella collaris 205
37 Red-billed Chough Pyrrhocorax pyrrhocorax 151
38 Egyptian Vulture Neophron percnopterus 130
39 African Stonechat Saxicola torquatus 120
40 Red-knobbed Coot Fulica cristata 118
41 Marbled Duck Marmaronetta angustirostris 100
42 Montagu's Harrier Circus pygargus 87
43 Red Kite Milvus milvus 87
44 Great Tit Parus major 76
45 Bearded Vulture Gypaetus barbatus 70
46 Western Osprey Pandion haliaetus 66
47 Greylag Goose Anser anser 56
48 Alpine Chough Pyrrhocorax graculus 56
49 Caspian Tern Sterna caspia 35
50 Dunlin Calidris alpina 33
51 Great Egret Casmerodius albus 29
52 Unknown NULL 28
53 Little Owl Athene noctua 28
54 Black-crowned Night Heron Nycticorax nycticorax 28
55 Black Kite Milvus migrans 26
56 Bonelli's Eagle Hieraaetus fasciatus 25
57 Black-winged Stilt Himantopus himantopus 24
58 Purple Heron Ardea purpurea 23
59 Caspian Gull Larus cachinnans 23
60 Short-toed Snake Eagle Circaetus gallicus 22
61 Geronticus eremita 21
62 Black Stork Ciconia nigra 20
63 Golden Eagle Aquila chrysaetos 18
64 Common Tern Sterna hirundo 18
65 Little Tern Sterna albifrons 15
66 Kentish Plover Charadrius alexandrinus 12
67 Common Crane Grus grus 10
68 Greater Black-backed Gull Larus marinus 10
69 Common Pigeon Columba livia 9
70 European Roller Coracias garrulus 9
71 Eurasian Coot Fulica atra 9
72 Richard's Pipit Anthus richardi 8
73 European Herring Gull Larus argentatus 8
74 Pied Avocet Recurvirostra avosetta 8
75 Eurasian Teal Anas crecca 7
76 Common Pochard Aythya ferina 7
77 Common Ringed Plover Charadrius hiaticula 7
78 Yellow-browed Warbler Phylloscopus inornatus 7
79 Cory's Shearwater Calonectris diomedea 6
80 Ruddy Turnstone Arenaria interpres 5
81 Whiskered Tern Chlidonias hybrida 5
82 Mute Swan Cygnus olor 5
83 Grey Plover Pluvialis squatarola 5
84 Mandarin Duck Aix galericulata 4
85 Carrion Crow Corvus corone 4
86 Wood Sandpiper Tringa glareola 4
87 Northern Goshawk Accipiter gentilis 3
88 Eurasian Wryneck Jynx torquilla 3
89 Yelkouan Shearwater Puffinus yelkouan 3
90 Eurasian Stone-curlew Burhinus oedicnemus 2
91 Little Stint Calidris minuta 2
92 Black-legged Kittiwake Rissa tridactyla 2
93 Common Starling Sturnus vulgaris 2
94 Common Blackbird Turdus merula 2
95 Rosy-faced Lovebird Agapornis roseicollis 2
96 Greater Short-toed Lark Calandrella brachydactyla 1
97 Red Knot Calidris canutus 1
98 Common Linnet Carduelis cannabina 1
99 Cetti's Warbler Cettia cetti 1
100 Tundra Swan Cygnus columbianus 1
101 Common Reed Bunting Emberiza schoeniclus 1
102 Red-footed Falcon Falco vespertinus 1
103 Common Snipe Gallinago gallinago 1
104 Collared Pratincole Glareola pratincola 1
105 Eurasian Oystercatcher Haematopus ostralegus 1
106 Little Bittern Ixobrychus minutus 1
107 Mew Gull Larus canus 1
108 Black-tailed Godwit Limosa limosa 1
109 Rufous-tailed Rock Thrush Monticola saxatilis 1
110 Great White Pelican Pelecanus onocrotalus 1
111 Ruff Philomachus pugnax 1
112 Citril Finch Serinus citrinella 1
113 Elegant Tern Sterna elegans 1
114 Eurasian Collared Dove Streptopelia decaocto 1
115 Ruddy Shelduck Tadorna ferruginea 1
116 African Spoonbill Platalea alba 1
117 Egyptian Goose Alopochen aegyptiaca 1
118 Sulphur-crested Cockatoo Cacatua galerita 1
119 Cockatiel Nymphicus hollandicus 1
120 Fischer's Lovebird Agapornis fischeri 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/).