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 236544 records of 118 different species.

# Name Scientific name Sightings
1 Audouin's Gull Larus audouinii 72941
2 Yellow-legged Gull Larus michahellis 42117
3 White Stork Ciconia ciconia 23760
4 Griffon Vulture Gyps fulvus 13333
5 Black-headed Gull Larus ridibundus 13285
6 Greater Flamingo Phoenicopterus roseus 8241
7 Lesser Kestrel Falco naumanni 7632
8 European Shag Phalacrocorax aristotelis 6693
9 Common Buzzard Buteo buteo 6470
10 Mediterranean Gull Larus melanocephalus 5710
11 Lesser Black-backed Gull Larus fuscus 5240
12 Grey Heron Ardea cinerea 4677
13 Western Jackdaw Corvus monedula 3871
14 Great Cormorant Phalacrocorax carbo 3080
15 House Sparrow Passer domesticus 3067
16 Monk Parakeet Myiopsitta monachus 3015
17 Western Cattle Egret Bubulcus ibis 2323
18 Slender-billed Gull Larus genei 1168
19 Little Egret Egretta garzetta 902
20 Sandwich Tern Sterna sandvicensis 855
21 Common Kestrel Falco tinnunculus 787
22 Glossy Ibis Plegadis falcinellus 781
23 Black Redstart Phoenicurus ochruros 746
24 Peregrine Falcon Falco peregrinus 664
25 Northern Raven Corvus corax 528
26 Eurasian Spoonbill Platalea leucorodia 521
27 Cinereous Vulture Aegypius monachus 410
28 Northern Wheatear Oenanthe oenanthe 401
29 Rose-ringed Parakeet Psittacula krameri 285
30 Balearic Shearwater Puffinus mauretanicus 280
31 Eurasian Hobby Falco subbuteo 259
32 Purple Swamphen Porphyrio porphyrio 235
33 Western Marsh Harrier Circus aeruginosus 232
34 Little Ringed Plover Charadrius dubius 223
35 Alpine Accentor Prunella collaris 197
36 Western Barn Owl Tyto alba 183
37 Egyptian Vulture Neophron percnopterus 122
38 Red-billed Chough Pyrrhocorax pyrrhocorax 101
39 African Stonechat Saxicola torquatus 96
40 Red Kite Milvus milvus 87
41 Montagu's Harrier Circus pygargus 83
42 Great Tit Parus major 75
43 Marbled Duck Marmaronetta angustirostris 67
44 Bearded Vulture Gypaetus barbatus 65
45 Western Osprey Pandion haliaetus 59
46 Alpine Chough Pyrrhocorax graculus 56
47 Greylag Goose Anser anser 54
48 Dunlin Calidris alpina 33
49 Caspian Tern Sterna caspia 29
50 Unknown NULL 28
51 Black-crowned Night Heron Nycticorax nycticorax 28
52 Little Owl Athene noctua 27
53 Great Egret Casmerodius albus 26
54 Black Kite Milvus migrans 25
55 Bonelli's Eagle Hieraaetus fasciatus 24
56 Black-winged Stilt Himantopus himantopus 24
57 Purple Heron Ardea purpurea 22
58 Short-toed Snake Eagle Circaetus gallicus 22
59 Caspian Gull Larus cachinnans 22
60 Black Stork Ciconia nigra 20
61 Common Tern Sterna hirundo 18
62 Red-knobbed Coot Fulica cristata 16
63 Little Tern Sterna albifrons 15
64 Golden Eagle Aquila chrysaetos 12
65 Greater Black-backed Gull Larus marinus 10
66 Kentish Plover Charadrius alexandrinus 9
67 Common Pigeon Columba livia 9
68 European Roller Coracias garrulus 9
69 Eurasian Coot Fulica atra 9
70 Richard's Pipit Anthus richardi 8
71 Pied Avocet Recurvirostra avosetta 8
72 Eurasian Teal Anas crecca 7
73 Common Pochard Aythya ferina 7
74 Common Crane Grus grus 7
75 European Herring Gull Larus argentatus 7
76 Cory's Shearwater Calonectris diomedea 6
77 Common Ringed Plover Charadrius hiaticula 6
78 Ruddy Turnstone Arenaria interpres 5
79 Whiskered Tern Chlidonias hybrida 5
80 Mute Swan Cygnus olor 5
81 Grey Plover Pluvialis squatarola 5
82 Mandarin Duck Aix galericulata 4
83 Carrion Crow Corvus corone 4
84 Northern Goshawk Accipiter gentilis 3
85 Eurasian Wryneck Jynx torquilla 3
86 Yelkouan Shearwater Puffinus yelkouan 2
87 Black-legged Kittiwake Rissa tridactyla 2
88 Common Starling Sturnus vulgaris 2
89 Wood Sandpiper Tringa glareola 2
90 Common Blackbird Turdus merula 2
91 Rosy-faced Lovebird Agapornis roseicollis 2
92 Geronticus eremita 2
93 Eurasian Stone-curlew Burhinus oedicnemus 1
94 Greater Short-toed Lark Calandrella brachydactyla 1
95 Red Knot Calidris canutus 1
96 Little Stint Calidris minuta 1
97 Common Linnet Carduelis cannabina 1
98 Cetti's Warbler Cettia cetti 1
99 Tundra Swan Cygnus columbianus 1
100 Common Reed Bunting Emberiza schoeniclus 1
101 Red-footed Falcon Falco vespertinus 1
102 Common Snipe Gallinago gallinago 1
103 Collared Pratincole Glareola pratincola 1
104 Eurasian Oystercatcher Haematopus ostralegus 1
105 Little Bittern Ixobrychus minutus 1
106 Mew Gull Larus canus 1
107 Black-tailed Godwit Limosa limosa 1
108 Great White Pelican Pelecanus onocrotalus 1
109 Ruff Philomachus pugnax 1
110 Citril Finch Serinus citrinella 1
111 Elegant Tern Sterna elegans 1
112 Eurasian Collared Dove Streptopelia decaocto 1
113 Ruddy Shelduck Tadorna ferruginea 1
114 African Spoonbill Platalea alba 1
115 Egyptian Goose Alopochen aegyptiaca 1
116 Sulphur-crested Cockatoo Cacatua galerita 1
117 Cockatiel Nymphicus hollandicus 1
118 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/).