Raven

Corvus corax – CIGFRAN – Breeding resident

Raven – 2003-07 breeding

Corvus corax – CIGFRAN – Breeding resident Comparison with previous atlas: 1984-88 2003-07 Breeding confirmed 91 108 Breeding probable 42 36 Breeding possible excluded from total excluded from total No of tetrads occupied 133 (of 478) 144 (of 490) Percentage of tetrads 27.8% 29.4% Inland breeding tetrads 57 (42.9% of breeding tetrads) 70 (48.6% of […]

Raven – 1994

Corvus corax – CIGFRAN – Breeding resident 1984-88 Breeding confirmed 91 Breeding probable 42 Breeding possible excluded from total No of tetrads occupied 133 (of 478) Percentage of tetrads 27.8% Inland breeding tetrads 57 (42.9% of breeding tetrads) Ravens have increased in Pembrokeshire since the time of Mathew (1894), who thought that 20 pairs nested. […]

Raven – 1980s winter

Corvus corax – CIGFRAN – Breeding resident The BTO winter atlas showed that Ravens were present in most 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 74 birds seen in a day. The largest roost recorded […]

Raven – 1949

Species account from the Birds of Pembrokeshire, 1949, by Lockley, Ingram and Salmon.

Raven – 1894

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