Black-chinned Sparrow and Rufous-crowned Sparrows can be found easily almost anywhere along the trail. Violet-green Swallows and White-throated Swift are present in the breeding season. The woods are a bit bigger on the north side of the trail in the mid-elevation where Northern Flicker and Hairy Woodpecker can be expected. Red Crossbills are an uncommon resident. Several subspecies of Dark-eyed Juncos are present in the winter, but the very limited range Red-backed Dark-eyed Junco, Junco hyemalis dorsalis is the breeding subspecies in the Guadalupe Mountains. 

Hairy Wood, Violet-green Swallow, Black-chinned Sparrow, White-throated Swift, Red Crossbill, and Red-backed Dark-eyed Junco

Eight of the ten highest peaks in Texas are located in this park, including the highest peak in Texas, Guadalupe Peak at 8,751 feet. While this park is remote and has fewer visitor facilities than most National Parks it offers the Texas birder some of the best access to montane species in Texas.