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 205291records of 107different species.

# Name Scientific name en/sightings/
1 Audouin's Gull Larus audouinii 65965
2 Yellow-legged Gull Larus michahellis 40606
3 White Stork Ciconia ciconia 19940
4 Black-headed Gull Larus ridibundus 10189
5 Griffon Vulture Gyps fulvus 10134
6 Common Buzzard Buteo buteo 6367
7 Greater Flamingo Phoenicopterus roseus 6099
8 European Shag Phalacrocorax aristotelis 5714
9 Mediterranean Gull Larus melanocephalus 5541
10 Lesser Black-backed Gull Larus fuscus 4966
11 Grey Heron Ardea cinerea 4439
12 Lesser Kestrel Falco naumanni 3927
13 House Sparrow Passer domesticus 2916
14 Monk Parakeet Myiopsitta monachus 2860
15 Great Cormorant Phalacrocorax carbo 2732
16 Western Jackdaw Corvus monedula 2567
17 Western Cattle Egret Bubulcus ibis 1867
18 Slender-billed Gull Larus genei 1158
19 Little Egret Egretta garzetta 891
20 Sandwich Tern Sterna sandvicensis 817
21 Glossy Ibis Plegadis falcinellus 732
22 Northern Raven Corvus corax 524
23 Common Kestrel Falco tinnunculus 522
24 Eurasian Spoonbill Platalea leucorodia 415
25 Black Redstart Phoenicurus ochruros 405
26 Peregrine Falcon Falco peregrinus 362
27 Rose-ringed Parakeet Psittacula krameri 276
28 Northern Wheatear Oenanthe oenanthe 256
29 Cinereous Vulture Aegypius monachus 248
30 Purple Swamphen Porphyrio porphyrio 234
31 Western Marsh Harrier Circus aeruginosus 192
32 Eurasian Hobby Falco subbuteo 187
33 Little Ringed Plover Charadrius dubius 157
34 Alpine Accentor Prunella collaris 143
35 Red Kite Milvus milvus 84
36 Egyptian Vulture Neophron percnopterus 81
37 Montagu's Harrier Circus pygargus 62
38 Greylag Goose Anser anser 54
39 Great Tit Parus major 54
40 Bearded Vulture Gypaetus barbatus 50
41 African Stonechat Saxicola torquatus 38
42 Western Osprey Pandion haliaetus 33
43 Red-billed Chough Pyrrhocorax pyrrhocorax 31
44 Dunlin Calidris alpina 29
45 Black-crowned Night Heron Nycticorax nycticorax 27
46 Balearic Shearwater Puffinus mauretanicus 23
47 Purple Heron Ardea purpurea 22
48 Caspian Gull Larus cachinnans 19
49 Black Kite Milvus migrans 19
50 Common Tern Sterna hirundo 18
51 Black-winged Stilt Himantopus himantopus 18
52 Caspian Tern Sterna caspia 17
53 Bonelli's Eagle Hieraaetus fasciatus 16
54 Black Stork Ciconia nigra 15
55 Little Tern Sterna albifrons 15
56 Short-toed Snake Eagle Circaetus gallicus 14
57 Great Egret Casmerodius albus 13
58 Little Owl Athene noctua 13
59 Red-knobbed Coot Fulica cristata 11
60 Alpine Chough Pyrrhocorax graculus 10
61 European Roller Coracias garrulus 9
62 Common Pigeon Columba livia 8
63 Greater Black-backed Gull Larus marinus 7
64 Eurasian Teal Anas crecca 7
65 Common Pochard Aythya ferina 7
66 Eurasian Coot Fulica atra 7
67 Golden Eagle Aquila chrysaetos 7
68 Pied Avocet Recurvirostra avosetta 6
69 Whiskered Tern Chlidonias hybrida 5
70 Common Ringed Plover Charadrius hiaticula 5
71 Richard's Pipit Anthus richardi 5
72 Mute Swan Cygnus olor 4
73 Mandarin Duck Aix galericulata 4
74 European Herring Gull Larus argentatus 4
75 Kentish Plover Charadrius alexandrinus 4
76 Common Crane Grus grus 4
77 Ruddy Turnstone Arenaria interpres 3
78 Northern Goshawk Accipiter gentilis 3
79 Eurasian Wryneck Jynx torquilla 3
80 Marbled Duck Marmaronetta angustirostris 2
81 Wood Sandpiper Tringa glareola 2
82 Black-legged Kittiwake Rissa tridactyla 2
83 Carrion Crow Corvus corone 2
84 Rosy-faced Lovebird Agapornis roseicollis 2
85 Cory's Shearwater Calonectris diomedea 2
86 Yelkouan Shearwater Puffinus yelkouan 1
87 Cetti's Warbler Cettia cetti 1
88 Little Bittern Ixobrychus minutus 1
89 Common Starling Sturnus vulgaris 1
90 Crested Lark Galerida cristata 1
91 Greater Short-toed Lark Calandrella brachydactyla 1
92 Ruff Philomachus pugnax 1
93 Black-tailed Godwit Limosa limosa 1
94 Common Reed Bunting Emberiza schoeniclus 1
95 Little Stint Calidris minuta 1
96 Citril Finch Serinus citrinella 1
97 Cockatiel Nymphicus hollandicus 1
98 Tundra Swan Cygnus columbianus 1
99 Geronticus eremita 1
100 Red-footed Falcon Falco vespertinus 1
101 Grey Plover Pluvialis squatarola 1
102 Elegant Tern Sterna elegans 1
103 Eurasian Oystercatcher Haematopus ostralegus 1
104 Common Snipe Gallinago gallinago 1
105 Collared Pratincole Glareola pratincola 1
106 Mew Gull Larus canus 1
107 Red Knot Calidris canutus 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/).