The oaknut, or acorn, is the nut of the oaks and their close relatives (genera Quercus and Lithocarpus, in the family Fagaceae). It is enclosed in a tough, leathery shell, and borne in a cup-shaped cupule which usually contains a single seed (occassionally two). Depending on the species, acorns take between 6 and 24 months to mature; in which acorn morphology and phenology are important factors. They are generally 1–6 cm (0.39–2.36 in) long and 0.8–4 cm (0.31–1.57 in) broad. They also play an important role in forest ecology when oaks are the dominant species or are plentiful. Acorns, along with other nuts, are termed mast.The volume of the acorn crop may vary widely, creating great abundance or great stress on the many animals dependent on acorns and the predators of those animals. Wildlife that consume acorns as an important part of their diets include birds, such as pigeons, jays, some ducks, and several species of woodpeckers. Large mammals such as bears, pigs, and deer also consume large amounts of acorns and may constitute up to 25% of the diet of deer in the autumn. In Spain, Portugal and the New Forest region of southern England, pigs are still turned loose in dehesas (large oak groves) in the autumn, to fill and fatten themselves on acorns.

In this sub category you can download free PNG images: Acorn Food. In this category "Acorn" we have 9 free PNG images with transparent background.

  • Acorn Png 9 PNG Image
    Acorn Png 9
    Format: PNG
    Resolution: 306x260
    Size: 93.0KB
    Downloads: 631
  • Acorn Png 2 PNG Image
    Acorn Png 2
    Format: PNG
    Resolution: 680x453
    Size: 303.9KB
    Downloads: 491
  • Acorn Png 8 PNG Image
    Acorn Png 8
    Format: PNG
    Resolution: 1969x1582
    Size: 111.6KB
    Downloads: 490
  • Acorn Png 7 PNG Image
    Acorn Png 7
    Format: PNG
    Resolution: 300x300
    Size: 89.8KB
    Downloads: 471
  • Acorn Png 4 PNG Image
    Acorn Png 4
    Format: PNG
    Resolution: 317x350
    Size: 95.2KB
    Downloads: 457
  • Acorn Png 5 PNG Image
    Acorn Png 5
    Format: PNG
    Resolution: 1178x1054
    Size: 526.4KB
    Downloads: 426
  • Acorn Png 3 PNG Image
    Acorn Png 3
    Format: PNG
    Resolution: 750x702
    Size: 848.7KB
    Downloads: 423
  • Acorn Png 6 PNG Image
    Acorn Png 6
    Format: PNG
    Resolution: 300x230
    Size: 52.5KB
    Downloads: 402
  • Acorn Png PNG Image
    Acorn Png
    Format: PNG
    Resolution: 420x420
    Size: 128.1KB
    Downloads: 372

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