Guillemot

Uria aalga – GWYLOG – Breeding resident, passage migrant and winter visitor

Guillemot – 2012 Tim Birkhead

Uria aalga – GWYLOG – Breeding resident, passage migrant and winter visitor Scientist spends 40 years studying island’s seabirds A bird expert at the University of Sheffield has spent 40 years studying seabirds on an island off the UK in one of the longest running investigations of its kind. Professor Tim Birkhead See Video here […]

Guillemot – 2005

Oil spills and climate change double the mortality rate of British seabirds – news release about some of Tim Birkhead’s research on Skomer.

Guillemot – 1994

Uria aalga – GWYLOG – Breeding resident, passage migrant and winter visitor 1984-88 Breeding confirmed 16 Breeding probable 1 Breeding possible excluded from total No of tetrads occupied 17 (of 478) Percentage of tetrads 3.6% Both Mathew (1894) and Lockley et al. (1949) reported that Guillemots nested on all of the islands and at various mainland cliffs. […]

Guillemot – 1980s winter

Uria aalga – GWYLOG – Breeding resident, passage migrant and winter visitor The BTO winter atlas showed that Guillemots were present in some coastal 10km squares during the winters of 1981-82, 1982-82 and 1983-84. The darker the colour, the higher the relative total count for each 10km square.  The darkest blue represents over 21 birds. Small numbers […]

Guillemot – 1894

Species account from the 1894 ‘Birds of Pembrokeshire and its Islands’ by Rev M A Mathew