A woman cleans her pen at a sea cucumber reserve in Madagascar. | Nicky Milne/Thomson Reuters Foundation

Urban Habitat: Cataloging Species

As urbanization creates a variety of vectors for non-native species to find their way into Los Angeles, scientists work to catalog the city's evolving biodiversity.

The Los Angeles Aqueduct made the region more attractive non-native species introduced by human activity. Species now common in the city include animals from tropical places, including anoles, geckos and the infamous coqui frog. Biologists are finding the best way to research biodiversity in urban areas and to gain access to the species living on private property throughout the city, is to enlist he help of citizen scientists.

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