Martha's Vineyard Atlas of Life

A community-powered catalog of the island's biodiversity.

Explore Species Lists

Catalogs of Martha's Vineyard species in selected taxonomic groups.

Explore Observations

The Martha's Vineyard Atlas of Life Project in iNaturalist compiles observations from across the Island and surrounding waters, contributed by people like you.

Recent Observations

Recent Discoveries

American Golden Longhorn (Callicera erratica)

Found in West Tisbury on May 3, 2025, a male Callicera erratica represented a new species of hoverfly for Martha’s Vineyard – and apparently for Massachusetts as well.

Eroding Cliffs Offer Migratory Bats a Roost

A stunning observation of a silver-haired bat roosting in an eroded chimney in the cliff at Lucy Vincent Beach, Chilmark, Massachusetts.

Protandrena compositarum

Protandrena compositarum, a small, specialized bee associated with aster flowers, has been documented for the first time on Martha’s Vineyard.

See more discoveries »

News

2024 Martha’s Vineyard Christmas Bird Count

Held in unseasonably mild weather on December 29, 2024, the 65th annual Martha’s Vineyard Christmas Bird Count tallied 129 species and 21,408 individual birds.

2024 MVAL Year in Review

2024 was a great year for the Martha’s Vineyard Atlas of Life, with a range of successful events, important research projects, growing use of the iNaturalist platform, and a wealth of important plant and animal discoveries.

MVAL Adds New “Data Explorer”

The MVAL website has added a powerful new tool for exploring Martha’s Vineyard natural history records: an easy-to-use “data explorer” that searches the huge Global Biodiversity Information Facility database.

All News »

Focus on Bees!

Nearly 200 species of bees are known from the Vineyard, exhibiting a wide range of life histories and ecological associations. Fall is a great time to learn about these fascinating insects, which are critical to our environment and easy to find and observe: many late-season species associate with the goldenrod flowers that are so abundant at this time of year.

Keep Reading

Share Your Observations: Links to Community Science Platforms

iNaturalist

Searchable database of photographs and sound recordings, with more than 100 million observations contributed by more than 5 million users worldwide. Observations from Martha’s Vineyard automatically add to the Martha’s Vineyard Atlas of Life project.

Visit iNaturalist

eBird

Keep your bird lists and make your sightings available to researchers with this platform developed by the Cornell Lab of Ornithology. eBird compiles more than 100 million bird sightings annually.

Visit eBird

eButterfly

Help advance butterfly science and conservation by contributing your sightings to this international project. Keep your personal records and explore sightings from other observers.

Visit eButterfly

Co-founded by BiodiversityWorks and the Betsy and Jesse Fink Family Foundation, the Martha's Vineyard Atlas of Life seeks to create a living catalog of biodiversity on Martha's Vineyard and an active community working to conserve it.