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 240733 records of 119 different species.

# Name Scientific name Sightings
1 Audouin's Gull Larus audouinii 74085
2 Yellow-legged Gull Larus michahellis 42410
3 White Stork Ciconia ciconia 24322
4 Black-headed Gull Larus ridibundus 13783
5 Griffon Vulture Gyps fulvus 13609
6 Greater Flamingo Phoenicopterus roseus 8541
7 Lesser Kestrel Falco naumanni 7634
8 European Shag Phalacrocorax aristotelis 6771
9 Common Buzzard Buteo buteo 6483
10 Mediterranean Gull Larus melanocephalus 5740
11 Lesser Black-backed Gull Larus fuscus 5320
12 Grey Heron Ardea cinerea 4700
13 Western Jackdaw Corvus monedula 3917
14 Great Cormorant Phalacrocorax carbo 3176
15 House Sparrow Passer domesticus 3072
16 Monk Parakeet Myiopsitta monachus 3043
17 Western Cattle Egret Bubulcus ibis 2390
18 Slender-billed Gull Larus genei 1169
19 Little Egret Egretta garzetta 902
20 Sandwich Tern Sterna sandvicensis 883
21 Common Kestrel Falco tinnunculus 859
22 Black Redstart Phoenicurus ochruros 827
23 Glossy Ibis Plegadis falcinellus 785
24 Peregrine Falcon Falco peregrinus 719
25 Eurasian Spoonbill Platalea leucorodia 563
26 Northern Raven Corvus corax 528
27 Cinereous Vulture Aegypius monachus 444
28 Northern Wheatear Oenanthe oenanthe 403
29 Western Barn Owl Tyto alba 318
30 Rose-ringed Parakeet Psittacula krameri 285
31 Balearic Shearwater Puffinus mauretanicus 281
32 Eurasian Hobby Falco subbuteo 273
33 Little Ringed Plover Charadrius dubius 241
34 Purple Swamphen Porphyrio porphyrio 235
35 Western Marsh Harrier Circus aeruginosus 233
36 Alpine Accentor Prunella collaris 205
37 Red-billed Chough Pyrrhocorax pyrrhocorax 148
38 Egyptian Vulture Neophron percnopterus 125
39 African Stonechat Saxicola torquatus 117
40 Marbled Duck Marmaronetta angustirostris 97
41 Red Kite Milvus milvus 87
42 Montagu's Harrier Circus pygargus 83
43 Great Tit Parus major 76
44 Bearded Vulture Gypaetus barbatus 67
45 Western Osprey Pandion haliaetus 66
46 Alpine Chough Pyrrhocorax graculus 56
47 Greylag Goose Anser anser 54
48 Caspian Tern Sterna caspia 35
49 Dunlin Calidris alpina 33
50 Great Egret Casmerodius albus 29
51 Unknown NULL 28
52 Little Owl Athene noctua 28
53 Black-crowned Night Heron Nycticorax nycticorax 28
54 Bonelli's Eagle Hieraaetus fasciatus 25
55 Black Kite Milvus migrans 25
56 Black-winged Stilt Himantopus himantopus 24
57 Purple Heron Ardea purpurea 23
58 Caspian Gull Larus cachinnans 23
59 Short-toed Snake Eagle Circaetus gallicus 22
60 Black Stork Ciconia nigra 20
61 Common Tern Sterna hirundo 18
62 Golden Eagle Aquila chrysaetos 17
63 Red-knobbed Coot Fulica cristata 16
64 Little Tern Sterna albifrons 15
65 Kentish Plover Charadrius alexandrinus 12
66 Common Crane Grus grus 10
67 Greater Black-backed Gull Larus marinus 10
68 Common Pigeon Columba livia 9
69 European Roller Coracias garrulus 9
70 Eurasian Coot Fulica atra 9
71 Richard's Pipit Anthus richardi 8
72 Pied Avocet Recurvirostra avosetta 8
73 Eurasian Teal Anas crecca 7
74 Common Pochard Aythya ferina 7
75 Common Ringed Plover Charadrius hiaticula 7
76 European Herring Gull Larus argentatus 7
77 Yellow-browed Warbler Phylloscopus inornatus 7
78 Cory's Shearwater Calonectris diomedea 6
79 Geronticus eremita 6
80 Ruddy Turnstone Arenaria interpres 5
81 Whiskered Tern Chlidonias hybrida 5
82 Mute Swan Cygnus olor 5
83 Grey Plover Pluvialis squatarola 5
84 Mandarin Duck Aix galericulata 4
85 Carrion Crow Corvus corone 4
86 Wood Sandpiper Tringa glareola 4
87 Northern Goshawk Accipiter gentilis 3
88 Eurasian Wryneck Jynx torquilla 3
89 Yelkouan Shearwater Puffinus yelkouan 3
90 Eurasian Stone-curlew Burhinus oedicnemus 2
91 Little Stint Calidris minuta 2
92 Black-legged Kittiwake Rissa tridactyla 2
93 Common Starling Sturnus vulgaris 2
94 Common Blackbird Turdus merula 2
95 Rosy-faced Lovebird Agapornis roseicollis 2
96 Greater Short-toed Lark Calandrella brachydactyla 1
97 Red Knot Calidris canutus 1
98 Common Linnet Carduelis cannabina 1
99 Cetti's Warbler Cettia cetti 1
100 Tundra Swan Cygnus columbianus 1
101 Common Reed Bunting Emberiza schoeniclus 1
102 Red-footed Falcon Falco vespertinus 1
103 Common Snipe Gallinago gallinago 1
104 Collared Pratincole Glareola pratincola 1
105 Eurasian Oystercatcher Haematopus ostralegus 1
106 Little Bittern Ixobrychus minutus 1
107 Mew Gull Larus canus 1
108 Black-tailed Godwit Limosa limosa 1
109 Great White Pelican Pelecanus onocrotalus 1
110 Ruff Philomachus pugnax 1
111 Citril Finch Serinus citrinella 1
112 Elegant Tern Sterna elegans 1
113 Eurasian Collared Dove Streptopelia decaocto 1
114 Ruddy Shelduck Tadorna ferruginea 1
115 African Spoonbill Platalea alba 1
116 Egyptian Goose Alopochen aegyptiaca 1
117 Sulphur-crested Cockatoo Cacatua galerita 1
118 Cockatiel Nymphicus hollandicus 1
119 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/).