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Caspian Tern

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Caspian Tern

Scientific Name: Hydroprogne caspia

Wikipedia Page

Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation3,300
Regional/ContinentalInformation990

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.

Little George Island (MB062)
Number Year Season
7,6001992Summer
1,0001987Summer
3,0001986Summer
Spruce Island Reef (MB098)
Number Year Season
6,0001999Summer
Lake St. Martin Islands (MB083)
Number Year Season
3,0001986Summer
1,0201970Summer
Presqu'ile Provincial Park (ON004)
Number Year Season
2,4442001Summer
2,4002000Summer
9321997Summer
7401994Summer
5881993Summer
2041990Summer
Sand Reef Islands (MB092)
Number Year Season
1,2082012Summer
2,0001986Summer
9001979Summer
The Watchers (ON016)
Number Year Season
1,1421998Summer
1,3561994Summer
1,5701989Summer
1,0461980Summer
Duck Island (MB032)
Number Year Season
1,2002012Summer
Pigeon Island (ON041)
Number Year Season
9581990Summer
801977Summer
The Cousins (ON017)
Number Year Season
2601998Summer
9341991Summer
7901980Summer
Limestone Islands (ON052)
Number Year Season
5581998Summer
8661989Summer
6881980Summer
Hamilton Harbour Waterbird Colonies (ON020)
Number Year Season
7981997Summer
4921992Summer