Otters in Maryland in December

Yes, December is a good month to see otters in Maryland. It is the 5th busiest month of the year, with 70 of the 688 sightings logged across the year (10.2%), based on verified iNaturalist records.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

North American River Otter photographed in MarylandNorth American River Otter photographed in MarylandNorth American River Otter photographed in Maryland
Photos by iNaturalist observers, used under Creative Commons.

Good month for otters in Maryland

10.2%

of yearly sightings

70

records in December

#5

busiest month of 12

688

verified records a year

November 7.6%, December 10.2%, January 13.5%. Busiest month is April at 17.9%.

Best months: April, January, February

688 verified observations of otters in Maryland, recorded across 12 months of the year on iNaturalist.

When otters are recorded in Maryland

Peak month

April

123 records (17.9% of the year)

Quietest month

September

16 records

MonthObservationsShare
Januarypeak9313.5%
Februarypeak8512.4%
March8312.1%
Aprilpeak12317.9%
May487%
June334.8%
July253.6%
August273.9%
September162.3%
October334.8%
November527.6%
December7010.2%

Otters you are most likely to see

SpeciesVerified observations
North American River Otter688

In Maryland, December carries 10.2% of the year's otters sightings, about 1.9 points above an even month-to-month split. That makes it the 5th busiest of the twelve months, out of 12 months with recorded activity.

Activity is rising from November (7.6%) into December, and it heads toward January (13.5%) after. The busiest month is April (17.9%), so if timing is flexible, that window is the safer bet.

The otters most often recorded in Maryland are North American River Otter. Those counts are annual totals rather than a December split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in December itself.

Which otters you are most likely to see

  • North American River Otter688 records
Plan your tripAntietam National Battlefield

Plan your otter trip in Maryland

Start with live tours near Antietam National Battlefield, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see otters in Maryland in December?+

Yes. December accounts for 70 of the 688 verified otters sightings logged in Maryland across the year, which is 10.2% of the annual total.

Is December a good time to see otters in Maryland?+

December is the 5th busiest month. It is workable, though April and January is the stronger window for a reliable sighting.

What month is best for otters in Maryland?+

April is the single busiest month, with the broader peak running through April, January and February, based on 688 verified observations.

Which otters are you most likely to see in Maryland?+

The most-recorded species in Maryland are North American River Otter, based on all-time iNaturalist counts.