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 222072records of 115different species.

# Name Scientific name en/sightings/
1 Audouin's Gull Larus audouinii 69514
2 Yellow-legged Gull Larus michahellis 41723
3 White Stork Ciconia ciconia 21640
4 Black-headed Gull Larus ridibundus 12739
5 Griffon Vulture Gyps fulvus 12525
6 Greater Flamingo Phoenicopterus roseus 7127
7 Common Buzzard Buteo buteo 6456
8 European Shag Phalacrocorax aristotelis 6292
9 Mediterranean Gull Larus melanocephalus 5688
10 Lesser Black-backed Gull Larus fuscus 5212
11 Grey Heron Ardea cinerea 4648
12 Lesser Kestrel Falco naumanni 3937
13 House Sparrow Passer domesticus 3060
14 Great Cormorant Phalacrocorax carbo 2995
15 Monk Parakeet Myiopsitta monachus 2985
16 Western Jackdaw Corvus monedula 2890
17 Western Cattle Egret Bubulcus ibis 2295
18 Slender-billed Gull Larus genei 1165
19 Little Egret Egretta garzetta 901
20 Sandwich Tern Sterna sandvicensis 828
21 Glossy Ibis Plegadis falcinellus 779
22 Black Redstart Phoenicurus ochruros 731
23 Common Kestrel Falco tinnunculus 721
24 Peregrine Falcon Falco peregrinus 587
25 Northern Raven Corvus corax 528
26 Eurasian Spoonbill Platalea leucorodia 486
27 Cinereous Vulture Aegypius monachus 380
28 Northern Wheatear Oenanthe oenanthe 316
29 Rose-ringed Parakeet Psittacula krameri 284
30 Balearic Shearwater Puffinus mauretanicus 276
31 Eurasian Hobby Falco subbuteo 235
32 Purple Swamphen Porphyrio porphyrio 235
33 Western Marsh Harrier Circus aeruginosus 223
34 Little Ringed Plover Charadrius dubius 207
35 Alpine Accentor Prunella collaris 194
36 Egyptian Vulture Neophron percnopterus 104
37 African Stonechat Saxicola torquatus 94
38 Red Kite Milvus milvus 87
39 Red-billed Chough Pyrrhocorax pyrrhocorax 71
40 Western Barn Owl Tyto alba 71
41 Great Tit Parus major 71
42 Montagu's Harrier Circus pygargus 65
43 Bearded Vulture Gypaetus barbatus 63
44 Greylag Goose Anser anser 54
45 Western Osprey Pandion haliaetus 53
46 Dunlin Calidris alpina 32
47 Black-crowned Night Heron Nycticorax nycticorax 28
48 Caspian Tern Sterna caspia 26
49 Bonelli's Eagle Hieraaetus fasciatus 23
50 Black Kite Milvus migrans 23
51 Purple Heron Ardea purpurea 22
52 Caspian Gull Larus cachinnans 22
53 Little Owl Athene noctua 21
54 Black-winged Stilt Himantopus himantopus 21
55 Great Egret Casmerodius albus 20
56 Black Stork Ciconia nigra 20
57 Short-toed Snake Eagle Circaetus gallicus 20
58 Common Tern Sterna hirundo 18
59 Little Tern Sterna albifrons 15
60 Red-knobbed Coot Fulica cristata 15
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 Eurasian Coot Fulica atra 9
66 Richard's Pipit Anthus richardi 8
67 Pied Avocet Recurvirostra avosetta 8
68 Common Pigeon Columba livia 8
69 Eurasian Teal Anas crecca 7
70 Common Pochard Aythya ferina 7
71 Cory's Shearwater Calonectris diomedea 6
72 Common Ringed Plover Charadrius hiaticula 6
73 European Herring Gull Larus argentatus 6
74 Whiskered Tern Chlidonias hybrida 5
75 Mute Swan Cygnus olor 5
76 Ruddy Turnstone Arenaria interpres 5
77 Grey Plover Pluvialis squatarola 5
78 Common Crane Grus grus 5
79 Mandarin Duck Aix galericulata 4
80 Kentish Plover Charadrius alexandrinus 4
81 Eurasian Wryneck Jynx torquilla 3
82 Northern Goshawk Accipiter gentilis 3
83 Carrion Crow Corvus corone 3
84 Rosy-faced Lovebird Agapornis roseicollis 2
85 Yelkouan Shearwater Puffinus yelkouan 2
86 Marbled Duck Marmaronetta angustirostris 2
87 Common Blackbird Turdus merula 2
88 Wood Sandpiper Tringa glareola 2
89 Black-legged Kittiwake Rissa tridactyla 2
90 Collared Pratincole Glareola pratincola 1
91 Common Snipe Gallinago gallinago 1
92 Mew Gull Larus canus 1
93 Red Knot Calidris canutus 1
94 Common Starling Sturnus vulgaris 1
95 African Spoonbill Platalea alba 1
96 Crested Lark Galerida cristata 1
97 Little Bittern Ixobrychus minutus 1
98 Cetti's Warbler Cettia cetti 1
99 Great White Pelican Pelecanus onocrotalus 1
100 Greater Short-toed Lark Calandrella brachydactyla 1
101 Black-tailed Godwit Limosa limosa 1
102 Sulphur-crested Cockatoo Cacatua galerita 1
103 Ruff Philomachus pugnax 1
104 Ruddy Shelduck Tadorna ferruginea 1
105 Common Reed Bunting Emberiza schoeniclus 1
106 Eurasian Collared Dove Streptopelia decaocto 1
107 Little Stint Calidris minuta 1
108 Tundra Swan Cygnus columbianus 1
109 Common Linnet Carduelis cannabina 1
110 Citril Finch Serinus citrinella 1
111 Geronticus eremita 1
112 Cockatiel Nymphicus hollandicus 1
113 Red-footed Falcon Falco vespertinus 1
114 Elegant Tern Sterna elegans 1
115 Eurasian Oystercatcher Haematopus ostralegus 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/).