In the Amazon’s ‘sand forests,’ birds play by different evolutionary rules

White sand ecosystem patch at the Reserva de Desenvolvimento Sustentável (RDS) do Uatumã, Central Amazonia. Credit: João Capurucho Picture the Amazon. You’re thinking lush rainforests teeming with animals, right? It turns out, the Amazon Basin contains other less-famous ecosystems that have been under-studied by biologists for years, including patches of habitat growing on white sands. […]

Fire ants build little syphons out of sand to feed without drowning

The threat of death is no obstacle for some hungry fire ants. To escape drowning while feeding on sugary water, black imported fire ants built syphons out of sand that moved the water to a safer spot. A range of animals, including birds, dolphins, primates and even ants, use objects as tools (SN: 12/30/19; SN: […]