Mount Apo their ascent. Tourism in the region was threatened due to a massive haze engulfing the slopes of the mountain. The mountain later recovered after the government and local stakeholders initiated a holistic recovery plan for the entire national park. The mountain is home to over 272 bird species, 111 of which are endemic to the area. It is also home to one of the world's largest eagles, the critically endangered Philippine eagle, which is the country’s national bird. Lakes – There are four major lakes in Mt. Apo . Popular of these are Lake Agco, used to be called "The
Apo Reef protection and conservation work at the park, stays in the protected area on weekly shifts. The largest is Apo Island at with mangroves and beach vegetation. The reef surrounding the island extends to in places. Outside the lagoonal mangroves in the eastern and southern sides of Apo Island, the soil is sandy-to-sandy loam that is less in silt and clay particles. On the other hand, the lagoonal mangroves have a sandy loam to clay loam soil, underlain by decomposed plant residues or coarse materials. Apo Island is separated from Apo Reef by a narrow, deep channel. The island is about