By Kristy McCaffrey
I live near open desert north of the Phoenix metropolitan
area in Arizona and we have frequent interactions with rattlesnakes. I thought
I’d share a few pictures with you all and perhaps dispel a few myths.
We have Western diamondback rattlers. Their distinguishing
feature is a series of black and white rings on the tail. This has helped me to
quickly identify a snake I encounter, since bull snakes appear almost identical
in markings but aren’t poisonous. Western diamondbacks aren’t aggressive unless
cornered and will try to escape you at the first possible opportunity. However,
when we find them on our property we do capture and relocate the reptiles since
we have dogs.
| We found this one buried in our backyard garden. |
One myth is that snakes hibernate. We’ve not found this to
be the case. In colder weather, they are less mobile but we’ve nevertheless
seen them. If we’re in the desert, these encounters are benign because the
snake is too cold to coil and can’t strike. But if the snake is near our house—usually
resting against a wall to get warm—they can be a bit more feisty.
Rattlesnakes are pit vipers. They have a heat sensing pit
located behind each nostril that can detect temperature differences, sometimes
only a fraction of a degree apart. The heat given off by an animal can be
sensed by the snake to determine if it is predator or prey. In captivity, they
can live as long as 20 years. Their main source of food is mice, rabbits,
lizards, gophers and other small animals.
| Once we begin handling them, they usually get quite mad. |
Another myth dispelled—you can tell the age of a rattlesnake
by counting the number of rattles it has. Each time a snake sheds its skin, a
new rattle is added. However, these can break off. Also, the frequency of
shedding varies from snake to snake, so counting rattles isn’t a reliable way
to confirm age.
How do we capture such a strong and dangerous creature? My
husband uses a long stick with tongs at the end. He wrangles the snake, then
lifts it into a tall garbage can with a tight lid. In the past, we've loaded the can
into our truck, driven several miles away, and let the snake go while remaining
in the truck bed to avoid it slithering toward us. But we’ve recently learned
that this can be a death sentence for the rattler because it will be unable to
find its water source. We now transport the snakes about a mile away, but still
within their territory.
| My husband grabs the snake with a snake catcher and deposits him into a tall garbage can with a tight lid. |
| There's a snake inside there. We're trying to coax it to leave and escape to the desert. |
| When trying to wrangle a snake, it's best to clasp as close to the head as possible to avoid the snake striking. |
| Snakes will flatten their body (as seen here) as a means of escape. It was a cold November night when we found this rather large rattler against our garage door trying to get warm. |
| My husband trying to stay as far away from the snake as possible! |
| We released this one from the bed of our truck. |
I’m sure you’re wondering—why don’t we kill them? Many of
our neighbors do. While they aren’t my favorite desert critter to encounter,
they do have every right to be here. Moving them from our property allows my
husband and I to honor their presence as an important link in the desert
ecosystem.
| A western diamondback rattlesnake. |
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