Facts about Red Squirrels

1. 08

   The bushy tail of a red squirrel comprises approximately 60 percent of its total body length and functions as a parachute during falls, reducing impact velocity by up to 50 percent.

   Red SquirrelsMay 14shareanatomyphysicssurvival
2. 07

   Territorial red squirrels produce high-pitched alarm calls that can be heard up to 100 meters away, alerting nearby squirrels to the presence of predators like hawks and martens.

   Red SquirrelsMay 14sharecommunicationbehaviorpredation
3. 06

   Sciurus vulgaris possesses a specialized digestive system that allows red squirrels to extract nutrients from conifer seeds with an efficiency rate of approximately 95 percent.

   Red SquirrelsMay 14sharebiologynutritionmeasurement
4. 05

   Kittens born to red squirrels open their eyes at approximately 30-35 days old, making them among the slowest-developing tree squirrels in Europe.

   Red SquirrelsMay 14sharebiologydevelopmentreproduction
5. 04

   Red squirrels can leap horizontally up to 8 meters between trees, allowing them to navigate forest canopies without descending to the ground where predators wait.

   Red SquirrelsMay 14sharebiologylocomotionmeasurement
6. 03

   Melanistic red squirrels, which are completely black due to a genetic variation, occur naturally in populations across the UK and parts of Europe at rates up to 30 percent in some regions.

   Red SquirrelsMay 14sharebiologygeneticsgeography
7. 02

   A red squirrel's ear tufts grow longer during winter, reaching up to 1 centimeter in length to help retain heat in cold temperatures.

   Red SquirrelsMay 14sharebiologyadaptationseasonal
8. 01

   During winter, red squirrels can survive on cached pine seeds and nuts stored in over 3,000 different locations across their territory.

   Red SquirrelsMay 13sharebiologybehaviormeasurement