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 207268records of 107different species.

# Name Scientific name en/sightings/
1 Audouin's Gull Larus audouinii 65998
2 Yellow-legged Gull Larus michahellis 40727
3 White Stork Ciconia ciconia 20068
4 Black-headed Gull Larus ridibundus 10694
5 Griffon Vulture Gyps fulvus 10441
6 Common Buzzard Buteo buteo 6428
7 Greater Flamingo Phoenicopterus roseus 6189
8 European Shag Phalacrocorax aristotelis 5770
9 Mediterranean Gull Larus melanocephalus 5556
10 Lesser Black-backed Gull Larus fuscus 5036
11 Grey Heron Ardea cinerea 4445
12 Lesser Kestrel Falco naumanni 3927
13 House Sparrow Passer domesticus 2978
14 Monk Parakeet Myiopsitta monachus 2913
15 Great Cormorant Phalacrocorax carbo 2779
16 Western Jackdaw Corvus monedula 2568
17 Western Cattle Egret Bubulcus ibis 1948
18 Slender-billed Gull Larus genei 1158
19 Little Egret Egretta garzetta 892
20 Sandwich Tern Sterna sandvicensis 821
21 Glossy Ibis Plegadis falcinellus 741
22 Black Redstart Phoenicurus ochruros 556
23 Common Kestrel Falco tinnunculus 556
24 Northern Raven Corvus corax 524
25 Peregrine Falcon Falco peregrinus 433
26 Eurasian Spoonbill Platalea leucorodia 417
27 Rose-ringed Parakeet Psittacula krameri 277
28 Northern Wheatear Oenanthe oenanthe 256
29 Cinereous Vulture Aegypius monachus 254
30 Purple Swamphen Porphyrio porphyrio 234
31 Eurasian Hobby Falco subbuteo 210
32 Western Marsh Harrier Circus aeruginosus 197
33 Little Ringed Plover Charadrius dubius 158
34 Alpine Accentor Prunella collaris 152
35 Red Kite Milvus milvus 84
36 Egyptian Vulture Neophron percnopterus 82
37 Montagu's Harrier Circus pygargus 62
38 Great Tit Parus major 56
39 Greylag Goose Anser anser 54
40 Bearded Vulture Gypaetus barbatus 54
41 African Stonechat Saxicola torquatus 38
42 Western Osprey Pandion haliaetus 34
43 Red-billed Chough Pyrrhocorax pyrrhocorax 34
44 Dunlin Calidris alpina 29
45 Black-crowned Night Heron Nycticorax nycticorax 27
46 Balearic Shearwater Puffinus mauretanicus 23
47 Black Kite Milvus migrans 22
48 Purple Heron Ardea purpurea 22
49 Caspian Gull Larus cachinnans 21
50 Bonelli's Eagle Hieraaetus fasciatus 20
51 Black-winged Stilt Himantopus himantopus 18
52 Common Tern Sterna hirundo 18
53 Caspian Tern Sterna caspia 17
54 Little Tern Sterna albifrons 15
55 Black Stork Ciconia nigra 15
56 Short-toed Snake Eagle Circaetus gallicus 14
57 Little Owl Athene noctua 13
58 Great Egret Casmerodius albus 13
59 Red-knobbed Coot Fulica cristata 11
60 Alpine Chough Pyrrhocorax graculus 10
61 Greater Black-backed Gull Larus marinus 10
62 European Roller Coracias garrulus 9
63 Common Pigeon Columba livia 8
64 Common Pochard Aythya ferina 7
65 Eurasian Coot Fulica atra 7
66 Golden Eagle Aquila chrysaetos 7
67 Eurasian Teal Anas crecca 7
68 Pied Avocet Recurvirostra avosetta 6
69 Richard's Pipit Anthus richardi 5
70 Common Ringed Plover Charadrius hiaticula 5
71 Whiskered Tern Chlidonias hybrida 5
72 European Herring Gull Larus argentatus 4
73 Kentish Plover Charadrius alexandrinus 4
74 Common Crane Grus grus 4
75 Mute Swan Cygnus olor 4
76 Mandarin Duck Aix galericulata 4
77 Northern Goshawk Accipiter gentilis 3
78 Eurasian Wryneck Jynx torquilla 3
79 Ruddy Turnstone Arenaria interpres 3
80 Wood Sandpiper Tringa glareola 2
81 Grey Plover Pluvialis squatarola 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 Marbled Duck Marmaronetta angustirostris 2
87 Black-tailed Godwit Limosa limosa 1
88 Common Reed Bunting Emberiza schoeniclus 1
89 Little Stint Calidris minuta 1
90 Citril Finch Serinus citrinella 1
91 Cockatiel Nymphicus hollandicus 1
92 Tundra Swan Cygnus columbianus 1
93 Geronticus eremita 1
94 Red-footed Falcon Falco vespertinus 1
95 Elegant Tern Sterna elegans 1
96 Eurasian Oystercatcher Haematopus ostralegus 1
97 Common Snipe Gallinago gallinago 1
98 Mew Gull Larus canus 1
99 Red Knot Calidris canutus 1
100 Collared Pratincole Glareola pratincola 1
101 Yelkouan Shearwater Puffinus yelkouan 1
102 Cetti's Warbler Cettia cetti 1
103 Little Bittern Ixobrychus minutus 1
104 Common Starling Sturnus vulgaris 1
105 Crested Lark Galerida cristata 1
106 Greater Short-toed Lark Calandrella brachydactyla 1
107 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/).