alt Hacker NewsAnd there are carnivorous trees, even entire forests:
https://hakaimagazine.com/features/salmon-trees/
"up to 50 percent of the total nitrogen the trees use comes from salmon."
https://pacificwild.org/salmon-feed-forests/
"resident bears have been known to carry over 6,200 kg of salmon from the rivers to the woods, eating two thirds of the protein and leaving behind nearly 2,000 kg of salmon remains. Bears play a critical role in transporting nutrients from freshwater to the terrestrial environment, spreading the food source to other species and the forest floor. Decaying salmon carcasses are distributed everywhere post spawning, allowing nutrient rich soil to provide for the dense plant life of the rainforest"
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This is really interesting, but they're not carnivorous. The decaying salmon deposit nutrients in the soil. Carnivorous plants actually digest the insects directly for nutrients, usually because the soil is inhospitable.
Something is "carnivorous" if it directly consumes the flesh (or other parts) of an animal - usually a living one that it kills (as we have a different name for those that consume only already dead animals - necrophages).
Feeding on nutrients from an animal that died and was then broken down by other beings into base elements in the same area as your roots doesn't qualify these trees in any way as either "carnivorous" nor even "necrophage". Carnivorous plants are those that trap and kill animals that they then directly digest, such as a venus fly trap. Those don't just benefit from animals dying around them and being consumed by bacteria - they have mechanisms that cause the death of the animal and then secrete substances that directly convert the animal into plant nutrients.