shrew site, Everglades

While on a birding trip in Florida in mid-December, I picked up a few new mammals, and the site information may be of mild interest.

(1) What I assume by range, habitat, size, and actions were Southern Short-tailed Shrews (Blarina carolinensis) were fairly common at a site in the Everglades at dusk. There’s a short nature trail called Mahogany Hammock, half way between the Homestead entrance and the marina at Flamingo. Going counterclockwise on that trail, about a third of the way along is a sign-posted mahogany immediately adjacent to the boardwalk. At the base of the tree on the north side was a mouse hole that turned out to be a shrew hole. Just at dusk (and with Barred Owls calling), a shrew came out, paused, went back in, and came out again. Others were active in leaf litter nearby.

As a side note, the python depredation is indeed visible and real: night drives produced nothing, day hikes produced nothing, looking for roadkill produced nothing. Other than humans, it’s an eerily mammal-free zone.

(2) Seminole Bats (ID based on shape, size, flight style, and time of emergence) were around the parking lot at the cypress boardwalk trail at Highlands Hammock State Park at dusk.

As a different side note, 4 a.m. night drives around the park surroundings turned up about six ‘possums an hour and about four armadillos an hour. Raccoons were out in the daytime in the park and also at Corkscrew Swamp, the famous Audubon reserve. No bobcats anywhere in a week of birding, though we were told they’re seen at Corkscrew about once a week.

(3) It may seem a bit touristy to mention manatees, but these were a lifer for me. Reportedly present from mid-Nov to mid-March at this site, in December there were about a dozen from the Tampa Electric Company’s viewing platform.  A few were also visible with a scope further up the channel. Two were at the Flamingo Marina in Everglades Park as well. Supposedly at high counts at the Tampa Power Plant site, up to 300 congregate at once.

—Charles Hood, Palmdale California

6 Comments
  1. tai haku 8 years ago

    The only mammals I’ve ever seen night driving the everglades were funnily enough the last thing I was expecting: a pair of coyotes.

    Plenty of other wildlife to see at night though.

  2. Profile photo of vdinets
    vdinets 8 years ago

    Mahogany Hammock loop has always been the most reliable site in the Everglades for cotton mice and hispid cotton rats. I’ve been there countless times and only saw a shrew once. I wonder if they are now taking over rat burrows.
    Note that Blarina shrews from S Florida have been split into a separate species, Everglades shrew (B. peninsulae).

  3. Profile photo of John Fox
    John Fox 8 years ago

    Nice report, Charles, thanks. I thought the manatees at Tampa Electric were wonderful, I got to see porpoising and the odd looking tail.

  4. Bob Berghaier 8 years ago

    Charles,

    Good report. Can you mention what details you saw on the bats that allowed you ti I.D. them.

    • Profile photo of charleswhood Author
      charleswhood 8 years ago

      There is a handy book titled “Mammals of Florida” by Stan Tekiela, which is a pocket-sized field guide. It includes an ID comparison page with the silhouettes of bats in flight, a page which I am assuming is more or less correct. Going by that, the item in question was either a seminole bat or yellow bat. So far as I know, seminole bats are much more probable at dusk. If that emergence priority is not right, then my ID is not either. The shape though was easy to see: the other birder with me was in agreement about that. We had hoped to try for bonneted bats in Coral Gables but a change in itinerary took us away from there before it was time to look — really hard to mix birding with mammaling, or rather, they overlap, but only by 50% it seems to me. That said, my world mammal list is around 550 or so, most of which has come from hiking or birding rather than dedicated mammal list trips. I guess the most important thing is just to get out into the field.

  5. Profile photo of Conuropsis
    Conuropsis 9 months ago

    Yes, it is so sad at how few mammals are in Everglades N.P. now. I went there regularly from the mid ’80’s to the early 2000’s and remember the many mammals I used to see during the day and especially at night. Now you don’t see anything at all. The last time I was there not a single mammal was seen. It’s still a wonderful place for herps, birds and plants, but I miss the mammals. I don’t expect to see any mammals when I’m down there for the turkey day week this month.

    Andrew

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