Cecilia Santos uses an eyedropper to feed a hummingbird in the home of Catia Lattouf who has turned her apartment into a clinic for the tiny birds, in Mexico City, Monday, Aug. 7, 2023. Lattouf with Santos, who she calls the "hummingbird nanny," care for the birds in long days that stretch from 5 a.m. into the night. (AP Photo/Fernando Llano)