Salt Marsh Harvest Mouse
This precious mouse has been listed as endangered since 1970 and is found only in SF Bay salt marshes. It relies on these incredibly productive ecosystems to survive, but rising seas and development put its home at risk. 100% of profits from these sustainable greeting cards support San Francisco Baykeeper, a local nonprofit partner using science, advocacy, and the law to defend the Bay. Your donation helps protect local wildlife, stop polluters, and build a climate resilient Bay Area.
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© 2025 Cards Against Climate Change and the contributing artists. All artwork is protected by copyright and may not be reproduced, distributed, or sold without written permission.
Meet the Artist
Sophie Christel
🏡 Habitat: Palo Alto, CA
🌸 Fun Fact: Grew up hiking and birding in the Baylands.
🎨 Hobbies: When not outdoors or drawing and painting, Sophie enjoys singing, gardening, and keeping her house supplied with sourdough.
About her artwork on the card:
Her painting depicts the tiny salt marsh harvest mouse climbing a pickleweed plant, which provides it both food and shelter from predators and changing tides
"I'm thrilled to partner with CACC and support SF Baykeeper with my artwork. Art has always been my favorite way to understand the natural world, whether appreciating the intricate markings of a warbler, outlining a coyote's lanky limbs, or capturing the glow of sunlight through a mouse's ear and succulent pickleweed. Through my art, I hope to capture the beauty and strangeness of our world for people to see and wonder at, because wondering is the first step to learning, learning leads to loving, and only those who love our planet can be depended on to protect it. We are not apart from nature - we are a part of it!"
Meet the
Salt Marsh Harvest Mouse
🏡 Habitat: Only the San Francisco Bay Area salt marshes (endemic)
🌊 Fun Fact: My kidneys evolved with the salt marshes, so I can snack on salty pickleweed and other salty treats without a problem!
🐌 Hobbies: climbing on pickleweed, swimming through marsh waters, raising my pups, munching on seeds, insects, & snails, hiding in pickleweed from hungry birds & snakes
"Hi there! I may be very tiny (the size of your thumb), but I help keep my marsh home alive! By munching seeds and scurrying through the pickleweed, I spread seeds, aerate the soil, and give predators a tasty snack—keeping our marsh ecosystem healthy and thriving. My home used to be massive salt marshes full of pickleweed (194K acres), but over the years humans built levees and filled wetlands for development (only 30K acres remain). Rising seas due to climate change have made it even trickier to survive. Luckily, people and orgs, including SF Baykeeper, are helping protect and restore our marshes, plant pickleweed, and keep tidal waters flowing."
Meet SF Baykeeper
our nonprofit partner
🏡 Habitat: San Francisco Bay
🛥️ Fun Fact: I'm the only organization that regularly patrols the San Francisco Bay, by boat and by air, to investigate pollution.
🌎 Hobbies: We love to restore the wetlands, patrol the waters, and even take polluters to court—keeping the Bay clean and safe for fish, birds, and people alike!
"For 36 years we've patrolled the Bay, stood up to polluters, and defended the Bay and local communities from major threats. The Bay faces unprecedented threats from the federal government and corporate polluters. We’re holding them accountable—People and wildlife deserve to thrive. We use science, advocacy, and law to hold polluters accountable and stop destructive activities throughout the Bay and its watershed."
DID YOU KNOW? San Francisco Baykeeper has been taking legal action against the City of San Francisco for releasing millions of gallons of mixed sewage and stormwater into the Bay, especially during heavy rains when the city's combined system becomes overwhelmed. Recent legal developments include the Supreme Court siding with San Francisco in a dispute that could weaken the Clean Water Act, and a joint lawsuit against the city by the EPA, California, and Baykeeper to force system upgrades. Baykeeper also points to outdated infrastructure as a major cause and encourages public action to minimize pollution