In 2019, America voted, Potomac locals voted to name two dolphins who call the Potomac River home. We’ve all experienced a lot in 7 years, and they have too!
Check out how they’re doing in 2026, with this guest blog from our friends at The Potomac-Chesapeake Dolphin Project
Read MoreWe aren’t the only ones who think dolphins are photogenic! Our friends at the Potomac-Chesapeake Dolphin Project think so too! But for these researchers photos are just for aesthetics, it helps them monitor the dolphins’ health and track changes over time.
Learn how they’re using technology to help out with this time consuming task!
Read MoreBaby dolphin season is almost here! We’ve talked with dolphin experts, so you know how to help the dolphins and their babies this summer.
It’s critical we continue to protect these amazing creatures that we share the Potomac River with!
Read MoreThe researchers at the Potomac-Chesapeake Dolphin Project kept their snout on the grindstone and solved the mystery of who the mystery fin is! Find out more about this elusive mammal and what the scientists learned about them!
Read MoreResearchers at the Potomac-Chesapeake Dolphin Project are seasoned detectives. They’ve helped identify 2,000 dolphins in local waters by closely observing their unique marks and features — but one mystery dolphin left the team stumped last summer.
Dive into the fin-tastic details of this conundrum in the Potomac River.
Read MoreWait, there’s dolphins in the Potomac? Yes! Dive into how disease has affected this dolphin population.
Spoiler: it isn’t all bad news!
Read MoreUnderstanding how many bottlenose dolphins in the Potomac-Chesapeake area are reproductive females, the number of calves they’re having, and how many of those calves survive reveals much about the current state of the population and its trajectory.
Discover what the Potomac-Chesapeake Dolphin Project (PCDP) is learning about baby dolphins in the Potomac River and how this research is unlocking key information about the health of the mid-Atlantic dolphin populations.
Read MoreUnderstanding how many bottlenose dolphins in the Potomac-Chesapeake area are reproductive females, the number of calves they’re having, and how many of those calves survive reveals much about the current state of the population and its trajectory.
Discover what the Potomac-Chesapeake Dolphin Project (PCDP) is learning about baby dolphins in the Potomac River and how this research is unlocking key information about the health of the mid-Atlantic dolphin populations.
Read MoreJust like people, dolphins are susceptible to disease outbreaks. That’s why the Potomac-Chesapeake Dolphin Project is studying an airborne viral outbreak that caused a mass mortality event among Potomac River dolphins.
So what have they discovered about how and why disease spreads amongst our local dolphin population?And how can we keep them healthy and prevent more outbreaks?
Read MoreWhat do the dolphins that live in the Potomac River sound like? And what are they telling us about where and how they live their lives in our hometown river?
Read on to hear them and find out how local researchers are following their voices to uncover the mysteries of the Potomac River dolphins!
Read MoreDid you know the Potomac River is the summer home and breeding ground for thousands of Atlantic bottlenose dolphins?
As dolphins are currently returning to our waters, learn from expert Ann-Marie Jacoby of the Potomac-Chesapeake Dolphin Project about the history, lives, and behaviors of dolphins in the area.
Read MoreThe Potomac River is our backyard, drinking fountain, and playground. But did you know it is also the summer home and breeding ground for some Atlantic bottlenose dolphins?
As dolphins are currently returning to our waters, learn from expert Ann-Marie Jacoby of the Potomac-Chesapeake Dolphin Project about the history, lives, and behaviors of dolphins in the area.
Read MoreWhat do you know about fish migration?
Not all fish of the Potomac River live here full time - they connect our waters to the Bay and Ocean beyond. Take our quiz to test your knowledge and find out some surprising facts about fish ladders, baby sharks, and more…
Read MoreOur partners at the Potomac-Chesapeake Dolphin Project have been out surveying the bottlenose dolphin population in the lower Potomac River all summer.
We joined them recently to hear what about they’ve learned this research season, sightings of newly named Mac and Chessie, and one very adorable discovery…
Read MoreAt Potomac Conservancy, we think the river is the best classroom or teacher anyone could ask for this back-to-school season. But while you’re enjoying a fall breeze by the water, why not read a book that strengthens your connection with it?
For those of us that love to learn, here are six of our favorite non-fiction works that celebrate the wildlife, waters, and wonders of the Potomac Watershed and beyond.
Read MoreThe votes are in and we have two fin-tastic names for our wild Potomac River bottlenose dolphins (formerly known as D1 and D2)!
Check out their new names and how you can help support research and conservation efforts to keep their home pollution-free.
Read MoreIt’s time to flip out! You can name two dolphins in the Potomac River!
Potomac Conservancy and the Potomac-Chesapeake Dolphin Project invite the public, for the first time, to name two wild bottlenose dolphins in the Potomac River.
Check out the top 10 names and VOTE for your favorite picks by June 14th!
Read MoreThe Potomac River is our backyard, drinking fountain, and playground. But did you know it is also the summer home and breeding ground for some Atlantic bottlenose dolphins?
As dolphins are currently returning to our waters, learn from expert Ann-Marie Jacoby of the Potomac-Chesapeake Dolphin Project about the history, lives, and behaviors of dolphins in the area.
Read MoreThe Potomac River is home to a lot of cool critters — including bottlenose dolphins!
Discover what we know and what we’re still learning about this elusive local critter from the expert herself, Ann-Marie Jacoby, the Assistant Director of the Potomac-Chesapeake Dolphin Project.
Read MoreHave you heard the news? There are dolphins in the Potomac River!
And there might be more than anyone ever imagined. Find out how you can help scientists learn more about the Potomac dolphins.
Read MoreThe region’s leading clean water advocate, fighting to ensure the Potomac River boasts clean drinking water, healthy lands, and connected communities.
Potomac Conservancy
4500 East-West Highway, Suite 150
Bethesda, MD 20814
Call: (301) 608-1188
EIN: 52-1842501
Potomac Conservancy is a nationally accredited land trust and clean water leader in the Potomac River region. We’re committed to restoring the Potomac to full health for the five million people who rely on the river for drinking water and outdoor enjoyment. We improve local water quality through land conservation initiatives that effectively stop pollution from entering our streams and tributaries. Our impassioned base of 42,000 supporters empowers us to protect and expand streamside forests, pass water protection laws, and restore local shorelines.
