Researchers and volunteers in Texas documented birds of different species preening one another. Experts say the behavior may be more common than documented.
On Feb. 4, 2023, in Phil Hardberger Park in San Antonio, a large bird glided into a tree. Another bird, already perched there, began to preen the newcomer’s head and neck.
This caught the watchful camera and eye of Lora Reynolds, a volunteer with the... [1445 chars]