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 229167records of 116different species.

# Name Scientific name en/sightings/
1 Audouin's Gull Larus audouinii 69854
2 Yellow-legged Gull Larus michahellis 41773
3 White Stork Ciconia ciconia 23276
4 Black-headed Gull Larus ridibundus 12748
5 Griffon Vulture Gyps fulvus 12712
6 Lesser Kestrel Falco naumanni 7626
7 Greater Flamingo Phoenicopterus roseus 7163
8 Common Buzzard Buteo buteo 6456
9 European Shag Phalacrocorax aristotelis 6319
10 Mediterranean Gull Larus melanocephalus 5692
11 Lesser Black-backed Gull Larus fuscus 5212
12 Grey Heron Ardea cinerea 4655
13 Western Jackdaw Corvus monedula 3800
14 House Sparrow Passer domesticus 3060
15 Great Cormorant Phalacrocorax carbo 2995
16 Monk Parakeet Myiopsitta monachus 2991
17 Western Cattle Egret Bubulcus ibis 2295
18 Slender-billed Gull Larus genei 1167
19 Little Egret Egretta garzetta 901
20 Sandwich Tern Sterna sandvicensis 828
21 Glossy Ibis Plegadis falcinellus 779
22 Black Redstart Phoenicurus ochruros 731
23 Common Kestrel Falco tinnunculus 722
24 Peregrine Falcon Falco peregrinus 632
25 Northern Raven Corvus corax 528
26 Eurasian Spoonbill Platalea leucorodia 512
27 Cinereous Vulture Aegypius monachus 382
28 Northern Wheatear Oenanthe oenanthe 320
29 Rose-ringed Parakeet Psittacula krameri 284
30 Balearic Shearwater Puffinus mauretanicus 276
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 217
35 Alpine Accentor Prunella collaris 194
36 Egyptian Vulture Neophron percnopterus 115
37 African Stonechat Saxicola torquatus 94
38 Red-billed Chough Pyrrhocorax pyrrhocorax 89
39 Red Kite Milvus milvus 87
40 Western Barn Owl Tyto alba 79
41 Great Tit Parus major 71
42 Montagu's Harrier Circus pygargus 67
43 Bearded Vulture Gypaetus barbatus 63
44 Greylag Goose Anser anser 54
45 Western Osprey Pandion haliaetus 53
46 Marbled Duck Marmaronetta angustirostris 49
47 Dunlin Calidris alpina 32
48 Black-crowned Night Heron Nycticorax nycticorax 28
49 Caspian Tern Sterna caspia 26
50 Black-winged Stilt Himantopus himantopus 24
51 Black Kite Milvus migrans 23
52 Bonelli's Eagle Hieraaetus fasciatus 23
53 Purple Heron Ardea purpurea 22
54 Caspian Gull Larus cachinnans 22
55 Little Owl Athene noctua 21
56 Great Egret Casmerodius albus 21
57 Short-toed Snake Eagle Circaetus gallicus 20
58 Black Stork Ciconia nigra 20
59 Alpine Chough Pyrrhocorax graculus 18
60 Common Tern Sterna hirundo 18
61 Little Tern Sterna albifrons 15
62 Red-knobbed Coot Fulica cristata 15
63 Golden Eagle Aquila chrysaetos 12
64 Greater Black-backed Gull Larus marinus 10
65 European Roller Coracias garrulus 9
66 Eurasian Coot Fulica atra 9
67 Pied Avocet Recurvirostra avosetta 8
68 Common Pigeon Columba livia 8
69 Richard's Pipit Anthus richardi 8
70 Common Pochard Aythya ferina 7
71 Kentish Plover Charadrius alexandrinus 7
72 Eurasian Teal Anas crecca 7
73 Cory's Shearwater Calonectris diomedea 6
74 European Herring Gull Larus argentatus 6
75 Common Ringed Plover Charadrius hiaticula 6
76 Common Crane Grus grus 5
77 Whiskered Tern Chlidonias hybrida 5
78 Grey Plover Pluvialis squatarola 5
79 Mute Swan Cygnus olor 5
80 Ruddy Turnstone Arenaria interpres 5
81 Mandarin Duck Aix galericulata 4
82 Eurasian Wryneck Jynx torquilla 3
83 Northern Goshawk Accipiter gentilis 3
84 Carrion Crow Corvus corone 3
85 Rosy-faced Lovebird Agapornis roseicollis 2
86 Yelkouan Shearwater Puffinus yelkouan 2
87 Common Blackbird Turdus merula 2
88 Wood Sandpiper Tringa glareola 2
89 Geronticus eremita 2
90 Black-legged Kittiwake Rissa tridactyla 2
91 Black-tailed Godwit Limosa limosa 1
92 Ruff Philomachus pugnax 1
93 Red Knot Calidris canutus 1
94 Egyptian Goose Alopochen aegyptiaca 1
95 Cetti's Warbler Cettia cetti 1
96 Tundra Swan Cygnus columbianus 1
97 African Spoonbill Platalea alba 1
98 Little Stint Calidris minuta 1
99 Great White Pelican Pelecanus onocrotalus 1
100 Sulphur-crested Cockatoo Cacatua galerita 1
101 Common Reed Bunting Emberiza schoeniclus 1
102 Ruddy Shelduck Tadorna ferruginea 1
103 Eurasian Collared Dove Streptopelia decaocto 1
104 Citril Finch Serinus citrinella 1
105 Common Linnet Carduelis cannabina 1
106 Collared Pratincole Glareola pratincola 1
107 Common Snipe Gallinago gallinago 1
108 Mew Gull Larus canus 1
109 Cockatiel Nymphicus hollandicus 1
110 Common Starling Sturnus vulgaris 1
111 Red-footed Falcon Falco vespertinus 1
112 Little Bittern Ixobrychus minutus 1
113 Elegant Tern Sterna elegans 1
114 Crested Lark Galerida cristata 1
115 Greater Short-toed Lark Calandrella brachydactyla 1
116 Eurasian Oystercatcher Haematopus ostralegus 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/).