The nature at Marismas, Isla Canela is amazing. Fortunately this tidal landscape is preserved. The presence of a faunal community linked with humid areas with a multitude of protected species which use it as a wintering, breeding and nesting place makes for the highest conversation and preservation. There are Information boards at various locations of the reserve help to understand how it works.
In the marsh these boards highlight the aquatic birds whose most significant species are those present in the Isla Cristina marsh. The most relevant animal species among the mammals is the nutria which is a Species of Community Interest. Likewise 22 birds appear in the marsh and 41 migratory birds regularly arrive
Shrub like species must be adapted to saline conditions, making the number of species not as abundant as the fauna The flora most represented is mainly composed of:Stone pine, Phoenicean juniper, Topped lavender, Rosemary, Shrubby sea-blite, and Picris.
In this area there is also the maritime juniper, a shrub endemic to Andalusia and present only in Huelva and Cadiz. Harvest of any plant is not permitted in this natural park.
Many animals are present in the Marismas de Isla Cristina, Isla Canela.The birds most representative of the marshes are spatulas, storks and terns. There are species that choose the marsh as wintering grounds, while others use it during the summer. Other species use the marches as their habitat during the entire year. The amphibious fauna of the marsh are salamanders, frogs, and toads.
One species of reptile exists, the freshwater/sea turtle Spanish pond turtle. Its activity is very low and it is not commonly seen.
The only native species of mammel to the Cristina Island marshes is the otter. Although other rat species can be present they don’t exactly belong to this ecosystem.