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Common Tern

Scientific Name: Sterna hirundo

Wikipedia Page

Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation31,000
Regional/ContinentalInformation7,485

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.

Long Point Peninsula and Marshes (ON001)
Number Year Season
7,000 - 10,5012016Fall
10,074 - 13,1102013Fall
6,054 - 6,7852009Fall
9,4002006Fall
6,500 - 28,1452005Fall
1,0001997Spring
2,0001994Fall
10,0001991Fall
6,0001990Fall
Kouchibouguac NP Sand Islands (NB003)
Number Year Season
8,000 - 10,0002017Summer
6,000 - 7,5002016Summer
8,5002014Summer
6,0002013Summer
6,0002012Summer
10,1361999Summer
9,5201998Summer
8,5921996Summer
8,2101995Summer
7,3961994Summer
8,600 - 12,8001992Summer
14,0001991Summer
10,8521990Summer
8,8601989Summer
12,3101987Summer
13,7601984Summer
13,7801983Summer
12,2341981Summer
3,0481976Summer
3,1841975Summer
3,6021974Summer
2,9821971Summer
Gull and Sandhill Island (MB004)
Number Year Season
6402012Summer
8,8001997Summer
Greater Rondeau Area (ON007)
Number Year Season
8,0001998Fall
Miscou Island (NB021)
Number Year Season
8,0002003Summer
Neguac Sandspit (NB015)
Number Year Season
01998Summer
01997Summer
4001996Summer
101995Summer
01994Summer
7,8541993Summer
3,6201989Summer
Tabusintac Lagoon & River Estuary (NB002)
Number Year Season
6,0002015Summer
01997Summer
5,0001996Summer
7,4001992Summer
Lake St. Martin Islands (MB083)
Number Year Season
6,8001991Summer
1001986Summer
Machias Seal Island (NB019)
Number Year Season
1,9621998Summer
1,2161996Summer
7361994Summer
3,8001988Summer
6,8001947Summer