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 235386 records of 117 different species.

# Name Scientific name Sightings
1 Audouin's Gull Larus audouinii 72909
2 Yellow-legged Gull Larus michahellis 42049
3 White Stork Ciconia ciconia 23666
4 Griffon Vulture Gyps fulvus 13211
5 Black-headed Gull Larus ridibundus 13005
6 Greater Flamingo Phoenicopterus roseus 8136
7 Lesser Kestrel Falco naumanni 7631
8 European Shag Phalacrocorax aristotelis 6629
9 Common Buzzard Buteo buteo 6466
10 Mediterranean Gull Larus melanocephalus 5709
11 Lesser Black-backed Gull Larus fuscus 5233
12 Grey Heron Ardea cinerea 4666
13 Western Jackdaw Corvus monedula 3846
14 House Sparrow Passer domesticus 3060
15 Monk Parakeet Myiopsitta monachus 3008
16 Great Cormorant Phalacrocorax carbo 3002
17 Western Cattle Egret Bubulcus ibis 2311
18 Slender-billed Gull Larus genei 1168
19 Little Egret Egretta garzetta 902
20 Sandwich Tern Sterna sandvicensis 854
21 Glossy Ibis Plegadis falcinellus 781
22 Common Kestrel Falco tinnunculus 740
23 Black Redstart Phoenicurus ochruros 731
24 Peregrine Falcon Falco peregrinus 640
25 Northern Raven Corvus corax 528
26 Eurasian Spoonbill Platalea leucorodia 521
27 Cinereous Vulture Aegypius monachus 405
28 Northern Wheatear Oenanthe oenanthe 339
29 Rose-ringed Parakeet Psittacula krameri 285
30 Balearic Shearwater Puffinus mauretanicus 278
31 Eurasian Hobby Falco subbuteo 244
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 173
37 Egyptian Vulture Neophron percnopterus 122
38 African Stonechat Saxicola torquatus 96
39 Red-billed Chough Pyrrhocorax pyrrhocorax 90
40 Red Kite Milvus milvus 87
41 Great Tit Parus major 72
42 Montagu's Harrier Circus pygargus 67
43 Marbled Duck Marmaronetta angustirostris 67
44 Bearded Vulture Gypaetus barbatus 65
45 Western Osprey Pandion haliaetus 56
46 Alpine Chough Pyrrhocorax graculus 56
47 Greylag Goose Anser anser 54
48 Dunlin Calidris alpina 32
49 Caspian Tern Sterna caspia 29
50 Unknown NULL 28
51 Black-crowned Night Heron Nycticorax nycticorax 28
52 Great Egret Casmerodius albus 25
53 Black Kite Milvus migrans 25
54 Little Owl Athene noctua 24
55 Black-winged Stilt Himantopus himantopus 24
56 Bonelli's Eagle Hieraaetus fasciatus 23
57 Purple Heron Ardea purpurea 22
58 Caspian Gull Larus cachinnans 22
59 Black Stork Ciconia nigra 20
60 Short-toed Snake Eagle Circaetus gallicus 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 European Roller Coracias garrulus 9
68 Eurasian Coot Fulica atra 9
69 Richard's Pipit Anthus richardi 8
70 Common Pigeon Columba livia 8
71 Pied Avocet Recurvirostra avosetta 8
72 Eurasian Teal Anas crecca 7
73 Common Pochard Aythya ferina 7
74 Cory's Shearwater Calonectris diomedea 6
75 Common Ringed Plover Charadrius hiaticula 6
76 European Herring Gull Larus argentatus 6
77 Ruddy Turnstone Arenaria interpres 5
78 Whiskered Tern Chlidonias hybrida 5
79 Mute Swan Cygnus olor 5
80 Common Crane Grus grus 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 Wood Sandpiper Tringa glareola 2
89 Common Blackbird Turdus merula 2
90 Rosy-faced Lovebird Agapornis roseicollis 2
91 Geronticus eremita 2
92 Greater Short-toed Lark Calandrella brachydactyla 1
93 Red Knot Calidris canutus 1
94 Little Stint Calidris minuta 1
95 Common Linnet Carduelis cannabina 1
96 Cetti's Warbler Cettia cetti 1
97 Tundra Swan Cygnus columbianus 1
98 Common Reed Bunting Emberiza schoeniclus 1
99 Red-footed Falcon Falco vespertinus 1
100 Common Snipe Gallinago gallinago 1
101 Collared Pratincole Glareola pratincola 1
102 Eurasian Oystercatcher Haematopus ostralegus 1
103 Little Bittern Ixobrychus minutus 1
104 Mew Gull Larus canus 1
105 Black-tailed Godwit Limosa limosa 1
106 Great White Pelican Pelecanus onocrotalus 1
107 Ruff Philomachus pugnax 1
108 Citril Finch Serinus citrinella 1
109 Elegant Tern Sterna elegans 1
110 Eurasian Collared Dove Streptopelia decaocto 1
111 Common Starling Sturnus vulgaris 1
112 Ruddy Shelduck Tadorna ferruginea 1
113 African Spoonbill Platalea alba 1
114 Egyptian Goose Alopochen aegyptiaca 1
115 Sulphur-crested Cockatoo Cacatua galerita 1
116 Cockatiel Nymphicus hollandicus 1
117 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/).