On the front wall, a pair of Bullock’s orioles feeds three chicks, and a red-breasted sapsucker feeds two.

“Yellow-bellied sapsucker,” she called out 10 minutes into the walk.

The area is home to woodpeckers like the red-breasted sapsucker and songbirds like the black-headed grosbeak, which whistles its warbled song in the shade.

Prior to Hercules’ tenure at the airport, wildlife strikes have included at least two coyotes, two deer, three bats, three geese and a yellow bellied sapsucker.

The yellow-bellied sapsucker knocks neat lines of holes in the trunks of trees, to the consternation of some gardeners, but the sap loss is minimal, and, besides, there’s nothing you can do about it.