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 233651records of 116different species.

# Name Scientific name en/sightings/
1 Audouin's Gull Larus audouinii 72835
2 Yellow-legged Gull Larus michahellis 41882
3 White Stork Ciconia ciconia 23385
4 Griffon Vulture Gyps fulvus 13163
5 Black-headed Gull Larus ridibundus 12940
6 Lesser Kestrel Falco naumanni 7629
7 Greater Flamingo Phoenicopterus roseus 7235
8 European Shag Phalacrocorax aristotelis 6576
9 Common Buzzard Buteo buteo 6465
10 Mediterranean Gull Larus melanocephalus 5697
11 Lesser Black-backed Gull Larus fuscus 5216
12 Grey Heron Ardea cinerea 4664
13 Western Jackdaw Corvus monedula 3820
14 House Sparrow Passer domesticus 3060
15 Monk Parakeet Myiopsitta monachus 3008
16 Great Cormorant Phalacrocorax carbo 2995
17 Western Cattle Egret Bubulcus ibis 2299
18 Slender-billed Gull Larus genei 1167
19 Little Egret Egretta garzetta 902
20 Sandwich Tern Sterna sandvicensis 830
21 Glossy Ibis Plegadis falcinellus 781
22 Common Kestrel Falco tinnunculus 741
23 Black Redstart Phoenicurus ochruros 731
24 Peregrine Falcon Falco peregrinus 638
25 Northern Raven Corvus corax 528
26 Eurasian Spoonbill Platalea leucorodia 520
27 Cinereous Vulture Aegypius monachus 405
28 Northern Wheatear Oenanthe oenanthe 336
29 Rose-ringed Parakeet Psittacula krameri 285
30 Balearic Shearwater Puffinus mauretanicus 278
31 Eurasian Hobby Falco subbuteo 242
32 Purple Swamphen Porphyrio porphyrio 235
33 Little Ringed Plover Charadrius dubius 223
34 Western Marsh Harrier Circus aeruginosus 223
35 Alpine Accentor Prunella collaris 194
36 Western Barn Owl Tyto alba 142
37 Egyptian Vulture Neophron percnopterus 122
38 African Stonechat Saxicola torquatus 95
39 Red-billed Chough Pyrrhocorax pyrrhocorax 90
40 Red Kite Milvus milvus 87
41 Great Tit Parus major 71
42 Marbled Duck Marmaronetta angustirostris 67
43 Montagu's Harrier Circus pygargus 67
44 Bearded Vulture Gypaetus barbatus 65
45 Alpine Chough Pyrrhocorax graculus 56
46 Western Osprey Pandion haliaetus 56
47 Greylag Goose Anser anser 54
48 Dunlin Calidris alpina 32
49 Caspian Tern Sterna caspia 28
50 Black-crowned Night Heron Nycticorax nycticorax 28
51 Great Egret Casmerodius albus 25
52 Black Kite Milvus migrans 25
53 Black-winged Stilt Himantopus himantopus 24
54 Bonelli's Eagle Hieraaetus fasciatus 23
55 Little Owl Athene noctua 23
56 Purple Heron Ardea purpurea 22
57 Caspian Gull Larus cachinnans 22
58 Black Stork Ciconia nigra 20
59 Short-toed Snake Eagle Circaetus gallicus 20
60 Common Tern Sterna hirundo 18
61 Red-knobbed Coot Fulica cristata 16
62 Little Tern Sterna albifrons 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 Kentish Plover Charadrius alexandrinus 9
68 Pied Avocet Recurvirostra avosetta 8
69 Common Pigeon Columba livia 8
70 Richard's Pipit Anthus richardi 8
71 Eurasian Teal Anas crecca 7
72 Common Pochard Aythya ferina 7
73 Common Ringed Plover Charadrius hiaticula 6
74 Cory's Shearwater Calonectris diomedea 6
75 European Herring Gull Larus argentatus 6
76 Grey Plover Pluvialis squatarola 5
77 Whiskered Tern Chlidonias hybrida 5
78 Mute Swan Cygnus olor 5
79 Ruddy Turnstone Arenaria interpres 5
80 Common Crane Grus grus 5
81 Mandarin Duck Aix galericulata 4
82 Carrion Crow Corvus corone 4
83 Eurasian Wryneck Jynx torquilla 3
84 Northern Goshawk Accipiter gentilis 3
85 Black-legged Kittiwake Rissa tridactyla 2
86 Rosy-faced Lovebird Agapornis roseicollis 2
87 Yelkouan Shearwater Puffinus yelkouan 2
88 Common Blackbird Turdus merula 2
89 Wood Sandpiper Tringa glareola 2
90 Geronticus eremita 2
91 Red-footed Falcon Falco vespertinus 1
92 Collared Pratincole Glareola pratincola 1
93 Common Snipe Gallinago gallinago 1
94 Elegant Tern Sterna elegans 1
95 Mew Gull Larus canus 1
96 Common Starling Sturnus vulgaris 1
97 Eurasian Oystercatcher Haematopus ostralegus 1
98 Little Bittern Ixobrychus minutus 1
99 Greater Short-toed Lark Calandrella brachydactyla 1
100 Black-tailed Godwit Limosa limosa 1
101 Fischer's Lovebird Agapornis fischeri 1
102 Egyptian Goose Alopochen aegyptiaca 1
103 Ruff Philomachus pugnax 1
104 Cetti's Warbler Cettia cetti 1
105 African Spoonbill Platalea alba 1
106 Great White Pelican Pelecanus onocrotalus 1
107 Little Stint Calidris minuta 1
108 Tundra Swan Cygnus columbianus 1
109 Sulphur-crested Cockatoo Cacatua galerita 1
110 Common Reed Bunting Emberiza schoeniclus 1
111 Ruddy Shelduck Tadorna ferruginea 1
112 Eurasian Collared Dove Streptopelia decaocto 1
113 Citril Finch Serinus citrinella 1
114 Common Linnet Carduelis cannabina 1
115 Red Knot Calidris canutus 1
116 Cockatiel Nymphicus hollandicus 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/).