People were sʜᴏᴄᴋᴇᴅ to find that unlike other birds, owls are not waterproof and will sᴛʀᴜɢɢʟᴇ to fly under the rain. In 2016, Leigh Salvez, who wrote The Hidden lives of Owls, said: “They have given up the oil found in many feathers, which protects other birds form rain, for soft, silent feathers more valuable for stealthy ʜᴜɴᴛɪɴɢ.”