Background
The Paul de Arzila (Arzila marsh) is a wetland in the valley of the river Mondego in the Coimbra municipality and surrounding areas. It is a biogenetical reserve with an area of 150 ha framed in a protected area of 535 ha, where 119 species of birds, 12 of mammals, 10 of reptiles and 13 of fish have been inventoried.
In hosts key habitats cove ...