Life Among the Trees
Owen Murphy
| 07-01-2026
· Animal Team
Watching a squirrel dart across a backyard or leap effortlessly from branch to branch is both entertaining and fascinating.
These small, agile creatures are more than just acrobats—they are masters of survival, with habits and routines finely tuned to the rhythm of their environment.
Understanding their lifestyle gives us a glimpse into a world where every movement is purposeful and every choice counts.

Daily Movements and Territory

Active throughout the day
Squirrels are diurnal, meaning they are active during daylight hours. They spend mornings foraging for food and scouting for potential threats. Afternoons are often reserved for exploring and maintaining their territory. Observing a local squirrel can reveal patterns in how they navigate trees, fences, and open spaces.
Territorial awareness
Each squirrel claims a home range, usually a cluster of trees or a garden area. They mark territory using scent glands, and certain behaviors like tail flicking or vocalizations serve as warnings to others.
Actionable observation tip
Set up a small observation area with binoculars or a camera. Track where squirrels move throughout the day to understand how they manage and defend their space.

Diet and Foraging

Varied food sources
Squirrels are omnivorous, feeding primarily on nuts, seeds, fruits, and occasionally small insects. They adapt their diet based on seasonal availability. During autumn, acorns and hazelnuts dominate, while berries become more common in summer.
Food caching
Squirrels are known for their hoarding behavior, storing food in multiple hidden spots called caches. Some caches are close to their nests, while others are dispersed to prevent theft by other animals.
Actionable tip
Try observing a squirrel storing food. Notice how it digs small holes, covers them with leaves or soil, and remembers multiple hiding spots. You can even mimic this by creating a safe garden space with hidden nuts to see how squirrels interact with your environment.

Nesting and Shelter

Tree nests and dens
Squirrels build nests called dreys, made of twigs, leaves, and moss, usually high in the branches. Some species also take shelter in tree cavities for extra protection against weather or predators.
Seasonal adaptations
During winter, nests are often insulated with extra layers of leaves or fur to conserve heat. Squirrels may share nests in cold weather, especially females with young, to maximize warmth and safety.
Actionable tip
If you spot a drey, try sketching its structure or noting the types of materials used. This helps understand how squirrels balance protection, camouflage, and comfort in their shelter design.

Communication and Social Behavior

Vocalizations and body language
Squirrels communicate using a mix of sounds, including chirps, barks, and tail flicks. These signals warn others of danger, establish dominance, or alert mates.
Play and social interaction
Young squirrels engage in play, chasing each other and wrestling, which hones their agility and reflexes. Adults are mostly solitary but will tolerate others during feeding or nesting.
Actionable tip
Observe a group of squirrels at a feeder or park. Take note of interactions, such as chase sequences or alert signals. You'll see patterns in dominance and cooperation that reveal their social complexity.

Predation and Survival Strategies

Quick reflexes
Squirrels rely on agility and speed to escape predators. Sudden zigzag movements, sharp jumps, and rapid climbs to high branches make them difficult targets for hawks, foxes, and domestic pets.
Camouflage and vigilance
Their fur often blends with tree bark and fallen leaves. Squirrels remain alert, pausing frequently while foraging to scan for threats.
Actionable tip
Watch how a squirrel reacts to movement nearby. Timing and response distance can reveal how it balances feeding efficiency with safety—an important lesson in risk management.
Squirrels may seem small and ordinary at first glance, but observing their daily routines reveals a world of strategy, skill, and adaptation. From caching food to building insulated nests and navigating treetops, every habit serves a purpose. Paying attention to these behaviors not only enhances our appreciation of wildlife but also reminds us that even the smallest creatures lead lives rich with ingenuity and survival wisdom.