Ingo Arndt / Caddisfly (Limnephilidae) case built out of sticks and bark fragments, Germany, November.
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Ingo Arndt / Caddisfly (Limnephilus sp.) case built of sticks, wood fragments, seeds, snail shells and plant stems, Germany, November.
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Ingo Arndt / Bower of Vogelkop Bowerbird (Amblyornis inornatus) decorated with various types of leafs, beetle wing covers, black and brown fungi, red flowers and blue berries, Arfak Mountains, West Papua, Indonesi...
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Ingo Arndt / Red wood ant (Formica rufa) carrying construction material to anthill (fir needles), Germany.