Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Wadden Sea' has mentioned 'Species' in the following places:
Occurrence Sentence Text Source
It is also a rich habitat for gulls and terns,[7] as well as a few species of herons, Eurasian spoonbills and birds-of-prey, including a small and increasing breeding population of white-tailed eagles.
[9][10] Some regionally extinct species are still found here.
As a result, about 90% of all the species which historically inhabited that part of the Wadden Sea are at risk.
[23] Recent increases in number of North Atlantic humpback whales and minke whales might have resulted in more visits and possible re-colonization by the species to the areas especially around Marsdiep.
A number of human-introduced invasive species, including algae, plants, and smaller organisms, are causing negative effects on native species.
The 1,143,403 ha World Heritage property encompasses a multitude of transitional zones between land, the sea and freshwater environment, and is rich in species specially adapted to the demanding environmental conditions.
There are a multitude of transitional zones between land, sea and freshwater that are the basis for the species richness of the property.
The salt marshes host around 2,300 species of flora and fauna, and the marine and brackish areas a further 2,700 species, and 30 species of breeding birds.
The availability of food and a low level of disturbance are essential factors that contribute to the key role of the property in supporting the survival of migratory species.