We’ve enjoyed a lush garden this summer with tall corn, big
cabbages, sweet potato vines that should be art, and towering tomato plants. Imagine
our horror when we visited the garden one morning to find an interstate of raised
trails weaving in and out our plantings. This was my introduction to a live
mole.
Frankly, I didn’t know much about these creatures, other
than that they don’t have much for eyes. I had no idea that in one night, a six
inch mammal could tunnel through long rows of corn, cabbage, tomatoes, and
potatoes. If I’d been betting, I’d have told you an army of mole engineers had
worn themselves out moving all that earth. I’d have been wrong.
After we discovered our visitor, I did some research. They
don’t eat roots, they eat insects—earthworms are a particular favorite menu
item. They are loners. The only time
they get together with other moles is in February and March to, well, make
other moles. Socialization is very low on their activity list. One source
suggested five moles an acre would be a crowd.
Though they are small, a six inch torpedo-shaped mammal,
they’re efficient. As I first observed,
these critters are digging
machines. Their front feet look like
miniature ping pong paddles with Freddie
Kruger nails. Apparently the muscles attached to these pink shovels are
especially strong as these long nosed critters have a “lateral digging force
equivalent to 32 times its body weight.”
An expert explained this compares to a 150 lb. man exerting a 4800 lb. lateral
force.That’s some serious earth moving ability.
Not only can these guys
tunnel earth at 18 feet per hour, their respiratory systems adapted to their
underground existence. They have twice
as much blood and red hemoglobin as another mammal of their size. This enables
them to thrive underground in a world with low oxygen and high carbon dioxide
ratios.
Since they can’t see so well
in their dark world, they don’t have much for eyes. In fact, looking at one,
it’s hard to see an resemblance of these orbs that most humans take for granted. If they can’t see potential food, they have
to do something. And they do. Their noses work at optimum capacity, allowing
them to smell an earthworm and latch onto it in no time. Their saliva contains
a toxin to permit them to paralyze their prey so they can eat it lat their
convenience. As I noted earlier, they
are a miniature model of efficiency.
Knowing more about these dirt
throwers gives me a new appreciation for them and their capabilities. However, I don’t want to see their craftsmanship
in my garden, even if they aren’t eating
the roots to my thriving greenery.