Well, that’s one way to get a balanced diet: We all know that carnivorous plants have evolved in regions where the soil isn’t very nutrient-rich, and they use their prey to supplement what they don’t get via roots. Apparently, however, there are alternatives to eating the victim. I’ll let the authors of a recent paper explain matters: “Three Bornean pitcher plant species… produce modified pitchers that ‘capture’ tree shrew faeces for nutritional benefit. Tree shrews (Tupaia montana) feed on exudates produced by glands on the inner surfaces of the pitcher lids and defecate into the pitchers.” Apparently, it’s possible to identify feces-eaters based on the distinct morphology of their pitchers.
Reindeer got no rhythm: Circadian rhythm, that is. In the Arctic, light doesn’t provide cues regarding daily activities; rather, it indicates seasonal changes. So it’s no surprise that reindeer have somehow managed to unplug their biological clock, both at the cellular and whole-body level.
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