Five inches of rain fell at Blue Jay Barrens between
December 22 and December 28. The result
was a pond full of water and the start of the 2016 salamander breeding season. The water remained high and murky for a few
days following the end of the rain, but by January 1 had regained its clarity
and returned to its typical winter full level.
Egg clusters were evidence that salamanders had moved into
the pond sometime during that December rain.
Even when I’m out at the right time, I rarely encounter salamanders
entering the pond. I believe most emerge
from a series of subterranean passages associated with a seasonal spring that flows
into the upper end of the pond. During
times of low pond water level, I have observed salamanders moving into and out
of these passages. When water level is
high, the distance from the passage openings to the pond is less than a foot,
so there’s not much opportunity to view a salamander heading for the pond. Add to this the fact that runoff water travels
both through these passages and over the passage openings, and it becomes
nearly impossible to find salamanders while it is actually raining.
A few new egg clusters appear every day.
Several egg clusters were attached to twigs that were
inundated while the pond was in flood stage.
As soon as the water returned to its normal level, these eggs were left
hanging in the air. They have suffered
from both drying and freezing, so they are lost. Fortunately, the eggs suffering this fate
were but a small percentage of the total in the pond.
The only species I am currently seeing in the pond is
Jefferson Salamanders. This is
typical. Jeffersons usually appear in
early January, Streamside Salamanders enter the pond in early February and
Spotted Salamanders show up in March.
The Jefferson Salamanders will remain in the pond for another month or
two and will probably be joined by more of their species later in the
month. Near the end of the breeding
season there will be Jefferson Salamander egg clusters in all stages of
development from newly laid to ready to hatch.
Even though winter still has about two and a half months to go, the
presence of salamander eggs makes me feel that spring has arrived.
Fascinating! Never thought they'd breed this early.
ReplyDeleteHi, Stew. November and December weather was so warm here, I don't think these salamanders even experienced winter before they started breeding.
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