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FIELD NOTES

Animal Behavior

Explore animal communication, movement, learning and social life, with attention to what observations reveal and what remains uncertain.

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European starling perched among red mountain ash berries in winter
EDITOR’S PICK

Why Birds See Colors Humans Cannot

Many birds have four cone classes and can detect wavelengths humans cannot. Their view depends on retinal pigments, filtering and the light reaching the eye.

Sep 16, 2026 • 3 min readRead the discovery →
LATEST

Latest discoveries

New stories, explanations and research from Animal Behavior.

Several ants travelling together while carrying food
Animal Behavior

How Do Ants Find Food?

Ants find food through a combination of individual searching and colony communication. A scout explores using smell, touch, vision, path integration and local memory.…

Oct 7, 2026 • 3 min read
North American beaver standing beside water in a mountain park
Animal Behavior

How Do Beavers Build Dams?

Beavers build dams by cutting and transporting woody material, anchoring branches across moving water and packing gaps with mud, plants and stones. The sound…

Oct 7, 2026 • 4 min read
Barn owl flying low over grass with its pale wings extended
Animal Behavior

How Do Owls Fly So Silently?

Owls reduce flight noise through a combination of broad wings, slow wingbeats and specialized feathers. Comb-like serrations on the leading edge, a porous fringe…

Oct 6, 2026 • 4 min read
Bat flying through a dark abandoned mine shaft
Animal Behavior

How Do Bats Use Echolocation?

Many bats echolocate by emitting high-frequency calls and analysing returning echoes. Delay indicates distance, differences between the ears reveal direction, spectral changes carry information…

Oct 5, 2026 • 3 min read
Domestic cat resting indoors with its flexible body and paws visible
Animal Behavior

Why Do Cats Land on Their Feet?

Cats often land feet-first because their vestibular and visual systems detect orientation, then a flexible spine and coordinated limb movements rotate the front and…

Oct 4, 2026 • 3 min read
Grey tabby domestic cat resting indoors and looking toward the camera
Animal Behavior

Why Do Cats Purr?

Cats use purring in more than one context. Research on the voice box explains how the low sound can form, while communication studies help…

Oct 3, 2026 • 3 min read
Male ruby-throated hummingbird hovering in front of green foliage
Animal Behavior

How Do Hummingbirds Hover?

Hummingbirds hover by sweeping their wings back and forth in a flattened figure-eight pattern while rotating them at the shoulder. Unlike most birds, they…

Oct 1, 2026 • 4 min read
Glowing firefly resting on a green leaf at night
Animal Behavior

How Do Fireflies Glow?

Fireflies glow through bioluminescence in specialized abdominal organs. Luciferase activates luciferin using ATP, then oxygen helps create excited oxyluciferin. As that product returns to…

Oct 1, 2026 • 4 min read
How Spiders Read Vibrations Through Their Webs featured reference image
Animal Behavior

How Spiders Read Vibrations Through Their Webs

A web carries mechanical information to a spider’s legs. Silk properties, tension and geometry affect what arrives, helping explain why the web is both…

Sep 30, 2026 • 3 min read