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Eastern Box Turtle
Terrapene carolina carolina
A Relict Population Doomed To Extinction?
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Summer 2021 was the hottest summer season on record. Tracking activities for June, July, and August were reduced due to the months' numerous back to back heat wave temperatures and repressive humidity. July 2021 was the hottest July on record. Consequently, some of the tracking this season was done using thread trailing and hundreds of drop-tags, both methods giving accurate travel locations, but not travel dates, meetings and matings, diet, and other field observations.
There were 21 successful road crossings this season by 8 study turtles and 1 new transient. Only 3 of these turtles were females nesting in the meadow. One turtle (M67, new) was hit by a vehicle and died after 3 days.
Six turtles: M66(male), M67(male), M68(male), M69(male), M70(male), and M71(male) were found new this season. Three turtles were found dead: M62(f) found dead in a pasture with chickens and other farm stock, M65(F) found dead in the woods with damage from one or more small mammals, and M67(M), hit by a vehicle on a busy road.
Turtle M68 (Male), 351 grams, was found mating with M24 on 7/28/21. M24 traveled outside her normal activity area to find this male. Later in the season M68 was found mating with turtle M1 who had traveled from the south slope to the top of the ridge for the second time (unusual) this season. M68 traveled a very large loop during the summer months, ending his travel on the ridge top close to where he was found.
Most, but not all male Eastern Box turtles have bright red eyes, and M68 is an exception to this rule. This turtle is likely not a transient, based on the tracking of his travels, but instead a resident of this population not seen before.
Turtle M13 (Male) spent most of the season on top of a high ridge as he has done the past few seasons.
On July 12th, his radio signals disappeared abruptly, and he was searched for almost every day. He was finally heard again on August 9th, and was found 3 feet deep in a rock crevice, wedged near the bottom. He was rescued a week later and was left in the woods to recover. He returned to the top of the ridge where he hibernated in November.
Turtle M48 (male) is primarily a ridge-top resident, but is also known to leave the top and travel down to the road, rarely crossing, and occassionally travels to the meadow's edge.
Turtle M48 is rarely observed mating or meeting, but covers a large area of the ridgetop during the summer seasons
Turtle M49 (female) Another large female, M49 was originally found in 2017, but lost only 2 days later. She has spent most of her travels since being re-found, in the hollow across the ridge, and has hibernated on the very top of the ridge for 3 seasons.
M49 usually spends at least a couple of weeks partially buried in the mud in a small seep and spring, and makes one foray partway up the hollow's north slope, before re-crossing the hollow and climbing to the top of the ridge where she hibernates.
Turtle M50 (male) M50 hibernated in 2019 on the south facing slope in the hollow in the clearcut, but climbed to the top of the ridge above the clearcut, and was tracked to the other side of a large, broad drainage where she hibernated under some steep cliffs in 2020. This season she returned to within a short distance of her 2019 site to hibernate.
M50 was originally found crossing the road into the meadow 5 years ago, and has been tracked traveling a number of very long annual routes since. This female is a possible transient, but has continued to travel within the study area. No primary activity area has yet to be determined.
Turtle M64(Male), was found last season mating with M63(F), who was found new in 2019. Again this season, he stayed within a relatively small primary activity area of 7 acres only rarely traveling into a meadow, and once crossing 2 roads and later crossing back mid-season.
There are no physical barriers around this activity area, and M64 is continually active during the summer months. The tracked route may appear to be random movement, but it includes a number of familiar small open spaces and landmarks.
3.5 GPS miles tracked this season, with 118 gps locations.
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Newly found turtles in 2021
Turtle M71 (Male), 441.5 grams, was found 11/7/21 close to where M70(M) and M49(F) traveled in the previous week or so. While most other turtles were now in hibernation sites, M71 was found on top of the leaves, active, in the sun with a clean carapace (not muddy).
M66 (Male), grams, was found crossing the road (blue dot) on June 3rd by employees Chris and Troy, and was tracked into hibernation. Very likely a transient to this study population, he is probably very old and has a consierable amount of damage of various kinds, to his carapace and plastron. The area into which this turtle moved is mixed old pasture and clear forest and is close to where many box turtles have been seen crossing the road, and some killed as a result.
Turtle M68 (Male), 351 grams, was found mating with M24 on 7/28/21. M24 traveled outside her normal activity area to find this male. M68 stayed mostly on the south slope and ridge top this season, and mated with at least 2 turtles (M24 and M1).
M68 traveled a very large loop during the summer months, ending his travel on the ridge top near where he was found. His travel would suggest he is not a transient, but he has never been seen before this season.
Turtle M70 (male), 507 grams, was found 10/14/21
Turtle M71 (male), 442 grams, was found 11/7/21