A move to cut down acorn-bearing trees in Japan’s Nara Park has sparked concern among researchers about the survival of the attraction’s free-roaming deer during the harsh winter.Acorns serve as a vital food source for deer, while the trees also provide critical shelter, with the animals often gathering beneath dense canopies for warmth and protection in the colder months.“The base of these trees becomes a critical place that determines whether the deer can survive winter,” said Shiro...