Biodiversity, Rare Species, and Invasives

The Natural History Survey documents Rhode Island species and natural communities in space and time, whether rare, invasive, or ‘regular.’

Species Checklists

Checklists of Rhode Island species are in the Resource Library: use keywords “checklist” or “communities” or taxon names (i.e. “birds,” “plants,” “insects”).

Our checklists, developed over time, may not represent the current state of knowledge; consider them a starting point. If you observe species not on the checklists, please report your observations so we can improve the lists. Naturalists who demonstrate particular prowess at finding great things may even be recognized by our Golden Eye Award.

Rare Species (“Natural Heritage”)

Rare species lists, links to natural heritage area maps, how to request rare species data, and forms and instructions for submitting rare species observations.

Invasive Species

Information on invasive species in Rhode Island including lists, maps, identification, and management, as well as forms and instructions for reporting invasive species observations.

Invasives are species growing and reproducing outside their native range, in habitats not managed by humans, at the expense of native species or natural communities. Native species by definition are not invasive though they may be nuisance or weedy species.

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