From National Geographic:
Dave Hansford in Wellington, New Zealand
November 10, 2006
As the mercury climbs, so does the proportion of male hatchlings.
Nicky Nelson, a senior lecturer at Victoria University in Wellington, New Zealand, says experiments show that 21.7 degrees Celsius (71 degrees Fahrenheit) could be the pivotal temperature.
See also here.
More tuataras: here.
Henry the Tuatara and his mate Mildred, aged between 70 and 80, produced 12 eggs in mid-July after mating earlier this year at the Southland Museum on New Zealand’s South Island, Tuatara curator Lindsay Hazley said: here.
Global warming and red-winged blackbirds in Canada: here.