The Plants of Acadia National Park
Building on the data collected by Dr. Craig Green of College of the Atlantic, The Plants of Acadia National Park was published in 2010 - the first field guide of its kind for the area.
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Observer field journal: 2024, Issue 2
Surf Scoter, Shrews, bird conservation, Red-throated Loon, Polyphemus Moth, Monarchs, vernal pool, Mola Mola, and more...
Dumontia contorta & Devaleraea ramentacea
by Jordan Chalfant
Observer Field Journal
An online natural history journal that features Maine-based natural history observation, musings about the natural world, reflections from amateur or professional field studies, and much more!
Island Plants Map
This map is the culmination of decades of Maine island vascular plant data from published lists, unpublished lists, herbarium vouchers, and the fieldwork done by Observatory staff over the last 30 years.
Coastal Songbirds
Maine's small islands—particularly those along the Downeast coast—may act as important refuge from climate change for boreal bird species...
Curating Collections
The Observatory’s work falls into two main categories: data collection and data preservation. Whether it’s notes in a notebook or physical specimens, how data is stored and preserved requires careful planning so that the information will be accessible and usable…
Seaweeds of Maine
Although numerous marine species depend on seaweeds for food and shelter, seaweeds in Maine are chronically understudied. Very little is known about which seaweed species are in Maine, if any of them are endangered, and the distribution of invasive species. …
Invasive Plants
The Observatory has worked on Maine Coastal Islands National Wildlife Refuge (MCINWR) islands for a number of years detecting invasive plant species. Glen Mittelhauser sprays a 45% vinegar and citrus oil solution on invasive Wild Radish on Halifax Island. Although…