Life History and Ecology of the Five-Lined Skink, Eumeces fasciatusFitch, Henry S. (Henry Sheldon)
Science
Life History and Ecology of the Five-Lined Skink, Eumeces fasciatus
Fitch, Henry S. (Henry Sheldon)
Eumeces fasciatus
Having once left the nest, the young probably do not return to it, as
many nests examined within a few days after hatching were never found
occupied either by females or young after their original dispersal. As
soon as the dispersal occurs family ties are permanently severed. On
July 19, 1950, a group of active hatchlings was observed moving about
over a log, on what was probably the first day of activity away from the
nest. The log was in the bottom of a steep-walled gully, where it had
come to rest the night before. It had been an erect but dead and partly
undermined snag on the edge of the gully, and was blown down that night
in a violent thunderstorm. Most of the log was held clear of the rushing
water in the bottom of the gully by projecting limbs. The little skinks
were darting in and out of holes and crevices in the log, pausing
frequently to bask. As many as four were in sight simultaneously, but
probably the total included several more, as it was difficult to keep
track of individuals. An adult female, presumably the mother of the
litter was also present, but she took no interest in the young, and they
showed no evidence of dependence on her. On the contrary, several times
when one or another of the young happened to come near the female in the
course of its wandering, and noticed her, it was seen to shy away in
sudden alarm.
[Illustration: FIG. 11. Sizes on specific dates of young hatched in
1950 and 1952. Approximate size ranges at different times of year,
and differences in trend between the two years are brought out.]
The young were much more active than the female. These and other young
observed in the open were almost constantly in motion. Pauses to bask at
any one spot were of only a few seconds duration. A certain log in Skink
Woods evidently was the site of one or more successful skink nests each
year that observations were made, although a nest was actually found in
it only in 1948. On July 26, 1950, recently hatched young were active on
this log. Temperature was about 22°C. and the young were alternating
frequently between shade and sunshine to maintain their body
temperature. Collectively they seemed to cover every square inch of the
log surface, poking and probing into niches, crevices and insect
borings. They had a tendency to seek out the highest points on the log
as resting places.
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