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 210749records of 111different species.

# Name Scientific name en/sightings/
1 Audouin's Gull Larus audouinii 66536
2 Yellow-legged Gull Larus michahellis 41028
3 White Stork Ciconia ciconia 20495
4 Black-headed Gull Larus ridibundus 11317
5 Griffon Vulture Gyps fulvus 10975
6 Greater Flamingo Phoenicopterus roseus 6470
7 Common Buzzard Buteo buteo 6434
8 European Shag Phalacrocorax aristotelis 5853
9 Mediterranean Gull Larus melanocephalus 5616
10 Lesser Black-backed Gull Larus fuscus 5089
11 Grey Heron Ardea cinerea 4467
12 Lesser Kestrel Falco naumanni 3931
13 House Sparrow Passer domesticus 3008
14 Monk Parakeet Myiopsitta monachus 2938
15 Great Cormorant Phalacrocorax carbo 2843
16 Western Jackdaw Corvus monedula 2581
17 Western Cattle Egret Bubulcus ibis 2032
18 Slender-billed Gull Larus genei 1161
19 Little Egret Egretta garzetta 898
20 Sandwich Tern Sterna sandvicensis 824
21 Glossy Ibis Plegadis falcinellus 750
22 Black Redstart Phoenicurus ochruros 591
23 Common Kestrel Falco tinnunculus 561
24 Northern Raven Corvus corax 527
25 Peregrine Falcon Falco peregrinus 480
26 Eurasian Spoonbill Platalea leucorodia 447
27 Cinereous Vulture Aegypius monachus 288
28 Rose-ringed Parakeet Psittacula krameri 281
29 Northern Wheatear Oenanthe oenanthe 257
30 Purple Swamphen Porphyrio porphyrio 234
31 Eurasian Hobby Falco subbuteo 210
32 Western Marsh Harrier Circus aeruginosus 199
33 Little Ringed Plover Charadrius dubius 180
34 Alpine Accentor Prunella collaris 164
35 Red Kite Milvus milvus 87
36 Egyptian Vulture Neophron percnopterus 84
37 African Stonechat Saxicola torquatus 70
38 Great Tit Parus major 65
39 Montagu's Harrier Circus pygargus 62
40 Red-billed Chough Pyrrhocorax pyrrhocorax 60
41 Bearded Vulture Gypaetus barbatus 58
42 Greylag Goose Anser anser 54
43 Western Osprey Pandion haliaetus 35
44 Dunlin Calidris alpina 29
45 Black-crowned Night Heron Nycticorax nycticorax 27
46 Balearic Shearwater Puffinus mauretanicus 24
47 Purple Heron Ardea purpurea 22
48 Black Kite Milvus migrans 22
49 Black-winged Stilt Himantopus himantopus 21
50 Bonelli's Eagle Hieraaetus fasciatus 21
51 Caspian Gull Larus cachinnans 21
52 Common Tern Sterna hirundo 18
53 Western Barn Owl Tyto alba 17
54 Caspian Tern Sterna caspia 17
55 Short-toed Snake Eagle Circaetus gallicus 16
56 Little Tern Sterna albifrons 15
57 Great Egret Casmerodius albus 15
58 Black Stork Ciconia nigra 15
59 Little Owl Athene noctua 13
60 Red-knobbed Coot Fulica cristata 11
61 Golden Eagle Aquila chrysaetos 11
62 Alpine Chough Pyrrhocorax graculus 10
63 Greater Black-backed Gull Larus marinus 10
64 European Roller Coracias garrulus 9
65 Common Pigeon Columba livia 8
66 Common Pochard Aythya ferina 7
67 Eurasian Coot Fulica atra 7
68 Richard's Pipit Anthus richardi 7
69 Eurasian Teal Anas crecca 7
70 Pied Avocet Recurvirostra avosetta 6
71 Common Ringed Plover Charadrius hiaticula 6
72 Whiskered Tern Chlidonias hybrida 5
73 Mandarin Duck Aix galericulata 4
74 European Herring Gull Larus argentatus 4
75 Common Crane Grus grus 4
76 Kentish Plover Charadrius alexandrinus 4
77 Mute Swan Cygnus olor 4
78 Ruddy Turnstone Arenaria interpres 3
79 Northern Goshawk Accipiter gentilis 3
80 Eurasian Wryneck Jynx torquilla 3
81 Wood Sandpiper Tringa glareola 2
82 Grey Plover Pluvialis squatarola 2
83 Carrion Crow Corvus corone 2
84 Black-legged Kittiwake Rissa tridactyla 2
85 Rosy-faced Lovebird Agapornis roseicollis 2
86 Cory's Shearwater Calonectris diomedea 2
87 Marbled Duck Marmaronetta angustirostris 2
88 Common Starling Sturnus vulgaris 1
89 Little Bittern Ixobrychus minutus 1
90 Crested Lark Galerida cristata 1
91 Ruff Philomachus pugnax 1
92 Greater Short-toed Lark Calandrella brachydactyla 1
93 Ruddy Shelduck Tadorna ferruginea 1
94 Black-tailed Godwit Limosa limosa 1
95 Common Reed Bunting Emberiza schoeniclus 1
96 Eurasian Collared Dove Streptopelia decaocto 1
97 Little Stint Calidris minuta 1
98 Common Linnet Carduelis cannabina 1
99 Citril Finch Serinus citrinella 1
100 Tundra Swan Cygnus columbianus 1
101 Geronticus eremita 1
102 Cockatiel Nymphicus hollandicus 1
103 Red-footed Falcon Falco vespertinus 1
104 Elegant Tern Sterna elegans 1
105 Eurasian Oystercatcher Haematopus ostralegus 1
106 Common Snipe Gallinago gallinago 1
107 Collared Pratincole Glareola pratincola 1
108 Mew Gull Larus canus 1
109 Red Knot Calidris canutus 1
110 Yelkouan Shearwater Puffinus yelkouan 1
111 Cetti's Warbler Cettia cetti 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/).