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Roseate Tern

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Roseate Tern

Nom scientifique: Sterna dougallii

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Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation760
Regional/ContinentalInformation120
Sub-regional/National SARInformation2

Global

1% of the global population estimate. This threshold is used to identify trigger species and IBAs under categories A4i/ii and A4iv.

Regional/Continental

1% of the regional/continental population estimate.

Sub-regional/National SAR

The sub-regional/national SAR threshold = 1% of the COSEWIC population estimate for the region (provinces/territories) in which the species is listed as being at risk. This threshold is used to identify trigger species and IBAs under criterion C1.

The Brothers (NS003)
Nombre Année Saison
2 - 402021Summer
4 - 122021Spring
22020Fall
60 - 652020Summer
2 - 42020Spring
20 - 522019Summer
92019Spring
2 - 52018Summer
3 - 72018Spring
2 - 322017Summer
15 - 202017Spring
4 - 482016Summer
2 - 152016Spring
2 - 352015Summer
2 - 152015Spring
2 - 382014Summer
3 - 62014Spring
7 - 382013Summer
2 - 152013Spring
15 - 342012Summer
3 - 122012Spring
25 - 382011Summer
3 - 222011Spring
4 - 382010Summer
3 - 52010Spring
35 - 422009Summer
2 - 202009Spring
7 - 552008Summer
2 - 52008Spring
10 - 682007Summer
47 - 672006Summer
2 - 122006Spring
45 - 682005Summer
22005Spring
35 - 682004Summer
9 - 622003Summer
2 - 702003Spring
13 - 892002Summer
2 - 32002Spring
53 - 702001Summer
32001Spring
2 - 1722000Summer
6 - 122000Spring
51999Fall
20 - 1221999Summer
31999Spring
4 - 1181998Summer
31998Spring
21997Fall
2 - 1081997Summer
2 - 31997Spring
35 - 961996Summer
61996Spring
23 - 661995Summer
121995Spring
681994Winter
601993Summer
461992Summer
401991Summer
Country Island Complex (NS028)
Nombre Année Saison
42021Summer
4 - 82018Summer
32010Summer
1082000Summer
321999Summer
61998Summer
21997Summer
901996Summer
601993Summer
Grassy Island Complex (NS026)
Nombre Année Saison
22011Summer
101998Summer
241997Summer
601995Summer
401993Summer
121985Summer
901970Summer
South Shore (Barrington Bay Sector) (NS018)
Nombre Année Saison
432000Summer
Sable Island, Nova Scotia (NS025)
Nombre Année Saison
72021Summer
32021Spring
22018Summer
3 - 62017Summer
22017Spring
152009Other
102008Other
42007Other
11998Summer
21997Summer
61994Summer
81993Summer
201985Summer
301980Summer
Eastern Cape Sable Island (NS016)
Nombre Année Saison
3 - 62021Fall
3 - 312021Summer
22021Spring
2 - 202020Fall
22020Summer
2 - 32019Summer
22019Spring
22018Summer
32018Spring
2 - 82017Fall
5 - 142017Summer
22016Fall
2 - 32016Summer
22013Summer
21998Summer
21997Summer
Île Paquet (QC022)
Nombre Année Saison
2 - 42000Summer
2 - 41999Summer
21998Summer
2 - 31996Summer
21996Spring
1 - 21995Summer
11995Spring
21993Summer
2 - 41993Spring
2 - 31992Summer
21992Spring
1 - 41991Summer
1 - 41991Spring
21990Fall
2 - 31990Summer
1 - 21989Fall
1 - 21989Summer
21989Spring
1 - 71988Fall
61988Summer
Machias Seal Island (NB019)
Nombre Année Saison
2 - 51996Summer
41995Summer
21994Summer
South Shore (Port Joli sector) (NS004)
Nombre Année Saison
2 - 52008Spring
La Pointe (QC013)
Nombre Année Saison
22001Summer
22001Spring
32000Summer
21998Summer
2 - 31997Summer
2 - 31996Summer
21996Spring
21995Summer
21993Summer
2 - 41993Spring
2 - 31992Summer
21992Spring
41991Spring
21990Fall
2 - 31990Summer
Bassin aux Huîtres (QC015)
Nombre Année Saison
21998Fall
2 - 31993Summer
21993Spring
21990Summer
Lagune du Havre aux Basques et plage de l'Ouest (QC003)
Nombre Année Saison
21984Summer
21983Summer
2 - 31982Fall
21982Summer
11971Summer
Bon Portage Island (NS015)
Nombre Année Saison
22015Summer
Îlot C (QC026)
Nombre Année Saison
11995Spring
21994Summer
21990Winter
21990Summer
South Shore (Roseway to Baccaro) (NS017)
Nombre Année Saison
22019Summer