Catherine Ó Flathartaigh shares her remarkable footage of a rare white Swallow with Niall, who explains leucism and albinism.

<p>Catherine Ó Flathartaigh shares her remarkable footage of a rare white Swallow with Niall, who explains leucism and albinism.</p>

Derek Mooney and guests explore the natural world in all its forms. Listen live every Monday at 10pm on RTÉ Radio 1.

Mooney Goes Wild

Derek Mooney and guests explore the natural world in all its forms.

<p>Derek Mooney and guests explore the natural world in all its forms.</p>