Konrad Wothe / Slow motion clip of Wood ants (Formica rufa) on anthill, squirting formic acid to repel threat, Bavaria, Germany, April.
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Brian Bevan / Close-up of a group of Wood ants (Formica rufa) carrying a dead insect back to their nest, Bedfordshire, England, UK, August.
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Brian Bevan / Close-up of a group of Wood ants (Formica rufa) carrying a dead Common wasp (Vespula vulgaris) back to their nest, Bedfordshire, England, UK, August.
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Ammonite / Tracking shot over a Wood ant (Formica rufa) nest, Dorset, England, UK, April.
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Ammonite / Close up of a Wood ant (Formica rufa) nest, Dorset, England, UK, April.
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Ingo Arndt / Red wood ant (Formica rufa) carrying construction material to anthill (fir needles), Germany.
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Ingo Arndt / European Red Wood Ant (Formica polyctena) nests in pine forest, Hessen, Germany, July.
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Pal Hermansen / Wood ants (Formica rufa) with larvae on rusty car, Bastnas car graveyard, Varmland, Sweden, June.
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SCOTLAND: The Big Picture / Hairy Wood Ant colony (Formica lugubris) , Abernethy, Scotland, UK.May
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David Perpinan / Giant anteater (Myrmecophaga tridactyla) walking, Pantanal, Mato Grosso do Sul, Brazil.
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Paul Williams / Nest mound of the Allegheny mound ant (Formica exsectoides) Massachusetts, USA.
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Paul Williams / Allegheny mound ant (Formica exsectoides), Massachusetts, USA. Photographed in a set at Harvard Forest research facility.
