We don’t even know what we’re losing. Scientists are still turning up new species: two kinds of hawk-owls in the Philippines in 2012, one thought to be extinct because of widespread deforestation on the island of Cebu; and in 2014, the Sulawesi streaked flycatcher, a diminutive bird with a mottled throat and melodious song, hanging on in patches of tall forest left by farmers; and in 2015, the secretive little Sichuan bush warbler living in the dense brush and tea plantations of central China’s mountainous provinces.
