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 209348records of 108different species.

# Name Scientific name en/sightings/
1 Audouin's Gull Larus audouinii 66194
2 Yellow-legged Gull Larus michahellis 40870
3 White Stork Ciconia ciconia 20400
4 Black-headed Gull Larus ridibundus 11291
5 Griffon Vulture Gyps fulvus 10676
6 Common Buzzard Buteo buteo 6434
7 Greater Flamingo Phoenicopterus roseus 6312
8 European Shag Phalacrocorax aristotelis 5801
9 Mediterranean Gull Larus melanocephalus 5611
10 Lesser Black-backed Gull Larus fuscus 5087
11 Grey Heron Ardea cinerea 4456
12 Lesser Kestrel Falco naumanni 3928
13 House Sparrow Passer domesticus 2996
14 Monk Parakeet Myiopsitta monachus 2937
15 Great Cormorant Phalacrocorax carbo 2836
16 Western Jackdaw Corvus monedula 2570
17 Western Cattle Egret Bubulcus ibis 2019
18 Slender-billed Gull Larus genei 1159
19 Little Egret Egretta garzetta 896
20 Sandwich Tern Sterna sandvicensis 823
21 Glossy Ibis Plegadis falcinellus 742
22 Black Redstart Phoenicurus ochruros 591
23 Common Kestrel Falco tinnunculus 558
24 Northern Raven Corvus corax 526
25 Peregrine Falcon Falco peregrinus 437
26 Eurasian Spoonbill Platalea leucorodia 428
27 Cinereous Vulture Aegypius monachus 281
28 Rose-ringed Parakeet Psittacula krameri 281
29 Northern Wheatear Oenanthe oenanthe 256
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 165
34 Alpine Accentor Prunella collaris 158
35 Red Kite Milvus milvus 84
36 Egyptian Vulture Neophron percnopterus 82
37 Montagu's Harrier Circus pygargus 62
38 Great Tit Parus major 61
39 Bearded Vulture Gypaetus barbatus 56
40 Greylag Goose Anser anser 54
41 African Stonechat Saxicola torquatus 38
42 Red-billed Chough Pyrrhocorax pyrrhocorax 36
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 Caspian Gull Larus cachinnans 21
50 Bonelli's Eagle Hieraaetus fasciatus 20
51 Black-winged Stilt Himantopus himantopus 18
52 Common Tern Sterna hirundo 18
53 Caspian Tern Sterna caspia 17
54 Short-toed Snake Eagle Circaetus gallicus 16
55 Black Stork Ciconia nigra 15
56 Little Tern Sterna albifrons 15
57 Great Egret Casmerodius albus 14
58 Little Owl Athene noctua 13
59 Red-knobbed Coot Fulica cristata 11
60 Greater Black-backed Gull Larus marinus 10
61 Alpine Chough Pyrrhocorax graculus 10
62 European Roller Coracias garrulus 9
63 Golden Eagle Aquila chrysaetos 9
64 Common Pigeon Columba livia 8
65 Eurasian Teal Anas crecca 7
66 Common Pochard Aythya ferina 7
67 Eurasian Coot Fulica atra 7
68 Common Ringed Plover Charadrius hiaticula 6
69 Pied Avocet Recurvirostra avosetta 6
70 Whiskered Tern Chlidonias hybrida 5
71 Richard's Pipit Anthus richardi 5
72 Mute Swan Cygnus olor 4
73 European Herring Gull Larus argentatus 4
74 Kentish Plover Charadrius alexandrinus 4
75 Common Crane Grus grus 4
76 Mandarin Duck Aix galericulata 4
77 Ruddy Turnstone Arenaria interpres 3
78 Eurasian Wryneck Jynx torquilla 3
79 Northern Goshawk Accipiter gentilis 3
80 Wood Sandpiper Tringa glareola 2
81 Grey Plover Pluvialis squatarola 2
82 Black-legged Kittiwake Rissa tridactyla 2
83 Rosy-faced Lovebird Agapornis roseicollis 2
84 Cory's Shearwater Calonectris diomedea 2
85 Carrion Crow Corvus corone 2
86 Marbled Duck Marmaronetta angustirostris 2
87 Common Reed Bunting Emberiza schoeniclus 1
88 Little Bittern Ixobrychus minutus 1
89 Citril Finch Serinus citrinella 1
90 Common Starling Sturnus vulgaris 1
91 Common Linnet Carduelis cannabina 1
92 Cockatiel Nymphicus hollandicus 1
93 Crested Lark Galerida cristata 1
94 Geronticus eremita 1
95 Ruff Philomachus pugnax 1
96 Red-footed Falcon Falco vespertinus 1
97 Greater Short-toed Lark Calandrella brachydactyla 1
98 Elegant Tern Sterna elegans 1
99 Black-tailed Godwit Limosa limosa 1
100 Little Stint Calidris minuta 1
101 Eurasian Oystercatcher Haematopus ostralegus 1
102 Tundra Swan Cygnus columbianus 1
103 Red Knot Calidris canutus 1
104 Yelkouan Shearwater Puffinus yelkouan 1
105 Cetti's Warbler Cettia cetti 1
106 Common Snipe Gallinago gallinago 1
107 Collared Pratincole Glareola pratincola 1
108 Mew Gull Larus canus 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/).