Recent weeks have seen a troubling rise in the number of rare baby river dolphins washing up on the shores of Brazil’s Lake Tefe. This alarming trend coincides with the Amazon rainforest’s worst drought on record, which has resulted in significantly lower water levels and soaring temperatures.
Research indicates that, on average, one dead dolphin has been found each day over the past week. Miriam Marmontel, the head of the dolphin project at the Mamiraua Institute for Sustainable Development, emphasizes that heavy boat traffic in the river’s main channel is exacerbating the situation. The narrow, shallow channel, measuring only two meters deep and about 100 meters wide, forces these vulnerable dolphins into close quarters with boats of all sizes. Recently, two dolphins were tragically killed by vessel collisions.
This year’s drought is reminiscent of last year’s crisis, which claimed over 200 of these endangered dolphins due to extreme heat. The impact extends beyond wildlife; residents are also suffering. Many living along the river transport routes find themselves stranded as the shallow waters have grounded their floating homes. Francisco Alvaro Santos, a Lake Tefe resident, noted that this is the first time his floating house has been completely out of the water. Even stilted homes are now marooned, leaving communities cut off from essential access to the river.
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