Filmmaker Sally Aitken observes Terry Masear’s efforts to rehabilitate wounded hummingbirds, mixing stunning slow-motion footage of the creatures with insights into a caregiver with scars of her own.

Once down to 80 in the wild, the Florida Grasshopper Sparrow is at risk of extinction. Biologist Fabiola ‘Fabby’ Baeza-Tarin and a group of unexpected collaborators work to protect the sparrows, their ...