The Littoral Zone

18 Episodes
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By: Mari Ana Trench

Come join Mari Ana Trench as we dip our toes into the diverse natural life on the Pacific Northwest Coast. Fun, informative, and 5 minutes! Now on KMUN Astoria, Oregon.

Velella Velella By the Wind Sailors
#17
Yesterday at 12:00 AM

Every year, these tenacious sea sailors wash up on our Pacific Northwest shores to panic beach goers.., listen in to learn more about our own 'prophylactics of the sea'-Velella Velella!


Geronimo Beavers
#16
03/07/2026

Sometimes, when someone thinks you're stinking up the neighborhood, they go to extreme measures!


Bats!
#15
02/28/2026

Save the Tequila! Without their specialized pollination for the agave plant, no tequila for you! Learn this an much more in this 5 minute ecology lesson from Mari Ana Trench.


Grebes a.k.a. 'The Fonz of Waterbirds'
#14
02/21/2026

Beautiful and silent as they dive seamlessly into the water to hunt for prey,,,take away the water, not so much! Tune into KMUN 91.9 in Astoria, Oregon on Fridays at 12:01 PM for your 5 minute dose of Pacific Northwest ecology.


Owls
#13
02/14/2026

Did you think you need a chiropractor? Try being an owl! With fixed eyes, that neck rotation takes on a whole new level of necessity...Tune in to KMUN 91.9 FM in Astoria Oregon Fridays at 12:01 PM to get your 5 minutes of Pacific Northwest ecology!


Steller Sea Lions
#10
02/07/2026

They're large, they're loud, and they are an important addition to our Pacific Northwest shores!. Tune in to hear some fun facts about our Pacific Northwest Steller Sea lions.


Giant Pacific Octopus
#12
02/07/2026

5 minutes of informative fun about these highly intelligent sea creatures that are masters of disguise. Tune into the Littoral Zone on Astoria's KMUN Community radio @ 91.9 FM Fridays at 12:01Pm


The Pelican Brief
#1
01/31/2026

Dive bombing? Check. Bratty babies? Check. Cooperative flying pattern? Check.

Come learn about the beautiful Brown Pelicans that grace our amazing coast. Listen in on KMUN radio in Astoria, Oregon on 91.9 FM.


Sea Stars (A.K.A. Starfish)
#11
01/31/2026

Did you think human digestion was complicated? Tune in to KMUN 91.9 FM in Astoria, Oregon to learn about the unique digestive practices of those cute little Starfish!


Steller Sea lions
#10
01/24/2026

They're loud, they're loud, and they are an important addition to our Pacific Northwest shores!. Tune in to hear some fun facts about our Pacific Northwest Steller Sea lions.


Dungeness Crab
#9
01/17/2026

Not just a tasty meal, Dungeness Crab is an important component of a our well-regulated fishingindustry. Tune into KMUN at 91.9 FM in Astoria to learn about Pacific NW ecology.


Cetaceans (Whales)
#8
01/10/2026

It's whale watching season on the North Pacific coast, strap on some knowledge and grab your binoculars!


The Mermaid's Purse: The egg case of a Skate
#7
12/27/2025

Something new is washing up on our shores of late, and you might be lucky to find one! Tune into KMUN at 91.9 FM Astoria this Friday for your 5 minute dose of NW Coastal Ecology.


Call Me by My Name; The Gull
#6
12/20/2025

Our highly misunderstood shorebird, the Gull. That's right folks, drop the 'Sea' 'cause these birds can't be caged by your random titles! Tune in to KMUN in Astoria, Oregon on Fridays at 12:01 to learn more about these iconic thieves.


Pyrosomes - Secret Code Name: Sea Pickles
#5
12/13/2025

What are these things showing up all over the beach lately? The stealth submarines are filled with individual zooids, tune in to The Littoral Zone on KMUN Fridays at 12:01 find out more!


The Wrack
#2
11/22/2025

No pristine white beach here in the Pacific Northwest! We've got a whole colony of activity feeding off all that bull kelp and drift wood. Tune in to KMUN in Astoria for more episodes of The Littoral Zone Fridays at noon, just before Science Fridays.


Coyotes (and Friends)
#3
11/22/2025

The coyotes are coming, and they're bringing friends. Tune in to KMUN in Astoria, Oregon on Fridays at 12:01 before Science Fridays for some fun ecology lessons.


Jellyfish
#4
11/17/2025

Older than trees, Jellyfish of the Pacific have been floating our shores since the beginning of time. Offering more than 200o (discovered) species, tune in with Mari Ana Trench to get a little education on how these beautiful floaters live.