Baltimore Oriole. This species is now well established for the nesting season in the park. You can see a caterpillar in the oriole's bill that is has just excavated from the flower bud.
Question Mark on Autumn Olive. Its tongue is lock and loaded!
Question Mark. The tongue is now extended.
White-crowned Sparrow. These birds were in the park for about a week, mostly (but not solely) around the parking lot. Their songs were loud and distinctive.
Painted Lady. There are subtle differences in the field marks between this species and the American Lady.
Blue-headed Vireo scanning the sky for predators. The trees along the south bank of the creek (Warbler Loop or purple trail) are a migrant magnet!
Black-throated Green Warbler
Baltimore Oriole. These birds are more easily encountered along the northern bank of the creek (Trout Run Trail), though they are frequently along the southern bank, too.
Eastern Bluebird. I have not seen any fledglings, yet. Any day ...
Palm Warbler. These birds were only spotted for a couple days in the park.