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 215547records of 113different species.

# Name Scientific name en/sightings/
1 Audouin's Gull Larus audouinii 67027
2 Yellow-legged Gull Larus michahellis 41348
3 White Stork Ciconia ciconia 21289
4 Black-headed Gull Larus ridibundus 11916
5 Griffon Vulture Gyps fulvus 11786
6 Greater Flamingo Phoenicopterus roseus 6715
7 Common Buzzard Buteo buteo 6440
8 European Shag Phalacrocorax aristotelis 6246
9 Mediterranean Gull Larus melanocephalus 5659
10 Lesser Black-backed Gull Larus fuscus 5142
11 Grey Heron Ardea cinerea 4484
12 Lesser Kestrel Falco naumanni 3935
13 House Sparrow Passer domesticus 3051
14 Monk Parakeet Myiopsitta monachus 2952
15 Great Cormorant Phalacrocorax carbo 2891
16 Western Jackdaw Corvus monedula 2847
17 Western Cattle Egret Bubulcus ibis 2119
18 Slender-billed Gull Larus genei 1164
19 Little Egret Egretta garzetta 898
20 Sandwich Tern Sterna sandvicensis 828
21 Glossy Ibis Plegadis falcinellus 761
22 Common Kestrel Falco tinnunculus 672
23 Black Redstart Phoenicurus ochruros 602
24 Peregrine Falcon Falco peregrinus 565
25 Northern Raven Corvus corax 527
26 Eurasian Spoonbill Platalea leucorodia 466
27 Cinereous Vulture Aegypius monachus 345
28 Northern Wheatear Oenanthe oenanthe 315
29 Rose-ringed Parakeet Psittacula krameri 282
30 Eurasian Hobby Falco subbuteo 235
31 Purple Swamphen Porphyrio porphyrio 234
32 Western Marsh Harrier Circus aeruginosus 222
33 Little Ringed Plover Charadrius dubius 189
34 Alpine Accentor Prunella collaris 167
35 Egyptian Vulture Neophron percnopterus 101
36 Red Kite Milvus milvus 87
37 African Stonechat Saxicola torquatus 79
38 Western Barn Owl Tyto alba 67
39 Great Tit Parus major 67
40 Montagu's Harrier Circus pygargus 65
41 Red-billed Chough Pyrrhocorax pyrrhocorax 61
42 Greylag Goose Anser anser 54
43 Bearded Vulture Gypaetus barbatus 53
44 Western Osprey Pandion haliaetus 45
45 Balearic Shearwater Puffinus mauretanicus 41
46 Dunlin Calidris alpina 30
47 Black-crowned Night Heron Nycticorax nycticorax 27
48 Caspian Tern Sterna caspia 24
49 Black Kite Milvus migrans 23
50 Purple Heron Ardea purpurea 22
51 Caspian Gull Larus cachinnans 22
52 Bonelli's Eagle Hieraaetus fasciatus 22
53 Black-winged Stilt Himantopus himantopus 21
54 Little Owl Athene noctua 21
55 Great Egret Casmerodius albus 20
56 Short-toed Snake Eagle Circaetus gallicus 20
57 Black Stork Ciconia nigra 19
58 Common Tern Sterna hirundo 18
59 Little Tern Sterna albifrons 15
60 Red-knobbed Coot Fulica cristata 14
61 Golden Eagle Aquila chrysaetos 11
62 Greater Black-backed Gull Larus marinus 10
63 Alpine Chough Pyrrhocorax graculus 10
64 European Roller Coracias garrulus 9
65 Common Pigeon Columba livia 8
66 Eurasian Teal Anas crecca 7
67 Eurasian Coot Fulica atra 7
68 Common Pochard Aythya ferina 7
69 Richard's Pipit Anthus richardi 7
70 Common Ringed Plover Charadrius hiaticula 6
71 Pied Avocet Recurvirostra avosetta 6
72 Whiskered Tern Chlidonias hybrida 5
73 European Herring Gull Larus argentatus 5
74 Mute Swan Cygnus olor 4
75 Mandarin Duck Aix galericulata 4
76 Kentish Plover Charadrius alexandrinus 4
77 Common Crane Grus grus 4
78 Ruddy Turnstone Arenaria interpres 3
79 Northern Goshawk Accipiter gentilis 3
80 Carrion Crow Corvus corone 3
81 Eurasian Wryneck Jynx torquilla 3
82 Marbled Duck Marmaronetta angustirostris 2
83 Common Blackbird Turdus merula 2
84 Wood Sandpiper Tringa glareola 2
85 Grey Plover Pluvialis squatarola 2
86 Black-legged Kittiwake Rissa tridactyla 2
87 Rosy-faced Lovebird Agapornis roseicollis 2
88 Cory's Shearwater Calonectris diomedea 2
89 Mew Gull Larus canus 1
90 Yelkouan Shearwater Puffinus yelkouan 1
91 Common Starling Sturnus vulgaris 1
92 Cetti's Warbler Cettia cetti 1
93 Crested Lark Galerida cristata 1
94 Little Bittern Ixobrychus minutus 1
95 Greater Short-toed Lark Calandrella brachydactyla 1
96 Black-tailed Godwit Limosa limosa 1
97 Sulphur-crested Cockatoo Cacatua galerita 1
98 Ruff Philomachus pugnax 1
99 Common Reed Bunting Emberiza schoeniclus 1
100 Ruddy Shelduck Tadorna ferruginea 1
101 Eurasian Collared Dove Streptopelia decaocto 1
102 Little Stint Calidris minuta 1
103 Citril Finch Serinus citrinella 1
104 Common Linnet Carduelis cannabina 1
105 Tundra Swan Cygnus columbianus 1
106 Cockatiel Nymphicus hollandicus 1
107 Geronticus eremita 1
108 Red-footed Falcon Falco vespertinus 1
109 Elegant Tern Sterna elegans 1
110 Eurasian Oystercatcher Haematopus ostralegus 1
111 Red Knot Calidris canutus 1
112 Common Snipe Gallinago gallinago 1
113 Collared Pratincole Glareola pratincola 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/).