Turtles breathe out of their butts. Some freshwater species of turtles breathe out of their butts to conserve energy while hibernating in the winter.
100 Mind-Blowing Conserve Facts
No one knows why flamingos stand on one foot. Flamingos usually pose with one foot tucked under their bodies. A theory suggests that they do it to conserve body heat in the cold water of their feeding areas, but it has not been confirmed. Astonishingly, a study showed that this behaviour does not cause muscle strain in their legs, meaning they can do it without physical effort.
Daylight saving time wasn’t officially implemented until 1916. Germany became the first country to adopt it to conserve coal during World War I. The United States didn’t follow suit until 1918.