On August 24, 2025, a pair of birdwatchers, Lena Hartebrodt and Jonathan Klawitter, embarked on a 2 hour and 35 minute excursion in Mt. Santo Tomas, Tuba, Benguet, Philippines. Covering a distance of 6.393 kilometers, the duo aimed to document and observe the local avifauna.

Over the course of their expedition, the observers spotted a total of 11 species of birds, highlighting the unique diversity of Mt. Santo Tomas's ecosystem. Key sightings included the Purple Needletail (9 individuals), Mountain Shrike (4), and Luzon Island-Thrush (15).

The presence of the Chestnut-faced Babbler was particularly notable, with 8 birds recorded during the expedition. This species is known for its distinctive songs, which are an important component of its ecosystem. The expedition also documented a healthy population of the Warbling White-eye, with an impressive 33 individuals noted.

Other species documented during the trip include the unidentified swiftlet (28), Philippine Jungle Crow (1), Crested Myna (18), Pied Bushchat (5), Eurasian Tree Sparrow (5), and Red Crossbill (Luzon) (4). The expedition's findings provide valuable insights into the regional bird populations and contribute to the ongoing monitoring of species in the Mt. Santo Tomas area.

The diversity of bird species in Mt. Santo Tomas serves as a testament to the importance of conservation efforts in the region. By preserving habitats and maintaining a healthy balance in ecosystems, future generations will be able to continue observing and appreciating the remarkable biodiversity of the Philippines.