Full Site

Ross's Gull

Search

Ross's Gull

Scientific Name: Rhodostethia rosea

Wikipedia Page

Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation625
Regional/ContinentalInformation250
Sub-regional/National SARInformation1

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.

Cheyne Islands (NU049)
Number Year Season
12 - 201978Summer
61976Summer
Churchill & Vicinity (MB003)
Number Year Season
12008Summer
12007Summer
12004Summer
12003Summer
1 - 22002Summer
12001Summer
1 - 42000Summer
1 - 21998Summer
11997Summer
1 - 21996Summer
11995Summer
1 - 21994Summer
1 - 21993Summer
11992Summer
1 - 21991Summer
1 - 31990Summer
Coats Island/Cape Pembroke (NU005)
Number Year Season
12004Summer
Southwest Bylot (NU013)
Number Year Season
11979Summer