Fight, Flee or Freeze? This Tiny Caterpillar Does a Secret Fourth ThingBaby warty birch caterpillars vibrate and use complex behaviors to protect their territory.
Ukraine Retreats From All but a Sliver of Land in Russia's Kursk RegionUkrainian troops have largely retreated from Russian territory in the Kursk region, holding onto a small area amidst intensified Russian counterattacks.
Why Do Female Birds Sing?Female song in songbirds serves important roles such as territorial defense, intrapair communication, and competition, but not primarily for mate attraction.