Guillemot - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Great Tit - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Great Spotted Woodpecker - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Greenfinch - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Goldfinch - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Grey Wagtail - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Grasshopper Warbler - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Goldcrest - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Great Black-backed Gull - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Green Woodpecker - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Feral Pigeon - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible

Fulmar - 1970s breeding

Red = breeding confirmed

Orange = breeding probable

Yellow = breeding possible