Blockers - Frederikshavn


Below you can choose between all rankings, including year rankings, municipality, etc.


Here you see the species, that are seen by the least amount of participators of the ranking. The definition of a blocker, is a species, that are ticked by max 10% of the participators of the ranking.

This page data is updated automatically a couple of times daily, that's why new ticks may take a while to be included in the results.

# Name Seen by (out of 10)
1 Leach's Storm Petrel (Oceanodroma leucorhoa) 1
2 Great Snipe (Gallinago media) 1
3 Little Swift (Apus affinis) 1
4 Cory's Shearwater (Calonectris borealis) 1
5 Arctic Warbler (Phylloscopus borealis) 1
6 Ruddy Shelduck (Tadorna ferruginea) 1
7 Black-necked Grebe (Podiceps nigricollis) 1
8 Mandarin Duck (Aix galericulata) 1
9 Balearic Shearwater (Puffinus mauretanicus) 1
10 Paddyfield Warbler (Acrocephalus agricola) 1
11 Red-flanked Bluetail (Tarsiger cyanurus) 1
12 Caspian Tern (Hydroprogne caspia) 1
13 Cinereous Bunting (Emberiza cineracea) 1
14 Snowy Owl (Bubo scandiacus) 1
15 Little Crake (Porzana parva) 1
16 Baird's Sandpiper (Calidris bairdii) 1
17 Sabine's Gull (Xema sabini) 1
18 Gyrfalcon (Falco rusticolus) 1
19 Willow Tit (Poecile montanus) 1
20 Savi's Warbler (Locustella luscinioides) 1
21 Green-winged Teal (Anas carolinensis) 1
22 Alpine Swift (Tachymarptis melba) 1
23 Boreal Owl (Aegolius funereus) 1
24 Sandhill Crane (Antigone canadensis) 1
25 Dusky Warbler (Phylloscopus fuscatus) 1
26 Black-throated Thrush (Turdus atrogularis) 1
27 Pallid Swift (Apus pallidus) 1
28 Ross's Gull (Rhodostethia rosea) 1
29 Barred Warbler (Sylvia nisoria) 1
Annoncer