THE ANIMAL FILES

Wild boar

Sus scrofa

Much of a wild boar’s dinner is hidden under the ground.

Wild boar eat roots, seeds, invertebrates and many other foods. Digging links their diet to physical changes in soil, while family groups connect the movements of sows and young. Adults and piglets do not all use the same social arrangement.[1]

Follow the evidence ↓
Wild boar
Image: Valentin Panzirsch · Commons · CC BY-SA 3.0 at
Diet
Omnivorous, including underground plant parts[1]
Family groups
Sows and young form sounders[1]
Rest sites
Shelters lined with vegetation[1]

Digging a mixed meal

Rhizomes, roots, tubers and bulbs can be dug up alongside burrowing animals. Nuts and seeds are important seasonal foods in many temperate forests, while insects, earthworms and carrion add animal material. Which foods dominate varies geographically. One fruit-rich tropical population should not be used to assign an identical diet to every wild boar.[1]

A sounder is not every boar

Female-led groups contain sows and their young. Young males leave, and adult males commonly live more solitarily outside the breeding season. Piglets initially remain in a nest made with plant materials and later accompany their mother. Group composition thus changes with age and sex, rather than being a fixed herd of identical roles.[1]

Foraging reshapes the surface

Rooting physically disturbs soil while uncovering food. Studies report that this can facilitate invasive plants in some settings. Resting sites are different structures: vegetation provides insulation and cover, often near water or dense growth. Neither a disturbed patch nor a sheltered bed should be interpreted without considering the behaviour that produced it.[1]

A COMMON MIX-UP

Do all adult wild boar remain in the family group?

No. Adult males often live alone outside the breeding season, while sows and young form groups.[1]

TRY A LITTLE REASONING

Why can rooting affect plants the boar never actually eats?

Reveal the explanation

Disturbing soil changes the surface where seeds can establish; feeding therefore alters growing conditions as well as removing food.[1]

Sources & editorial notes

Adapted and translated from the cited Wikipedia revisions, with source-linked reasoning. Image credit and licence are listed separately above.

Adapted and translated from Wikipedia contributors; exact revisions are linked below. CC BY-SA 4.0

  1. Wikipedia contributors — Sus scrofa (adapted and translated; exact revision)
  2. NCBI Taxonomy — Sus scrofa (identity and game lineage)

Last fact check:

One discovery leads to another

PigMud can be part of temperature control, not a preference for dirt.Sus scrofa domesticus ↗Common warthogA grass meal can be eaten on padded wrists.Phacochoerus africanus ↗OrcaDifferent orca communities can share an ocean without sharing a menu.Orcinus orca ↗