Update on the mystery rat, 2002
In October-November 2002, I got two letters from
Puerto Rico. The first of them, from Mary Deola, was so interesting
that I will post it here in full:
"Hello Vladimir,
I have lived in Puerto Rico for a little more than 3 years. I
live over by El Yunque on the coast. I walked out in my backyard
about a year and a half ago and found a large rodent of muskrat
type just outside the mangrove. It allowed me to come within 3
feet of it. I observed it for about 4 minutes. It finally grabbed
a last mouthful of vegetation and wandered back into the mangrove.
I ran inside to look it up in my animal encyclopedia as I had
been reading up in Puerto Rico animal books and had not found
anything similar. The animal I found that looked
exactly like it was an Ingraham's Hutia that is found in the South
Bahamas. I just assumed it was another type of Hutia and did not
pursue it. The other day I told my neighbor about it. He is from
Puerto Rico and said he had never heard of it. I decided to go
the the Internet to get more information about it to show him.
To my surprise the only information I found about the Hutia is
that the Taino Indians used the word for a rabbit like animal
and that the animal is extinct.
It was an overcast day but clear and I am sure that is what it
was. It looks very similar to your rodent except the animal I
saw was brown with gray hair and was bigger than yours at about
13 inches and taller when it sat on its back legs like a squirrel
to study me.
Let me know what you think. The animal I saw looked almost exactly
like the Bahamas version rather than the Cuban version of Hutia."
The second letter, from Jose Maeso, was forwarded
to me by Steve Patterson. I don't have Mr. Maeso's permission
to post his letter, but the idea was as following: he reported
seeing a flying squirrel in Puerto Rico. He identified it as Northern
flying squirrel (Glaucomys sabrinus), but his description
sounds more like Southern flying squirrel (G. volans),
which normally occurs as far south as Florida. There are no recent
or fossil records of squirrels from Puerto Rico, so the animal,
if correctly identified, was almost certainly an escaped pet.
This shows that occasional introductions of rodents from mainland
America to the Carribean Islands is a serious possibility.
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