Sand Martins settle on the steep coast of the morainic core.
Dean Martin | Martin Luther | Martin Scorsese | Ricky Martin | Martin Luther King, Jr. | Lockheed Martin | Martin | Steve Martin | Martin Sheen | St. Martin's Press | Martin Heidegger | Martin Luther King | Max Martin | Aston Martin | Paul Martin | Martin Lawrence | Martin Van Buren | Martin Luther King Jr. | Glenn L. Martin Company | Martin Short | George Sand | St Martin-in-the-Fields | Martin O'Neill | Martin Amis | George R. R. Martin | George Martin | Martin McGuinness | Martin Freeman | Martin Buber | José de San Martín |
This area contains some unique habitats, flora and fauna, including the small cudweed and the sand martin, a migratory bird species that returns from North Africa each spring to breed in the porous sand cliffs along sections of the river valley north.