Spung Trees, are large deciduous trees, with the botanical designation Tetrameles nudiflora. It can grow to over 45 meters tall, its trunk is buttressed, and the bark is shiny grey. Here, it is seen for growing on top of the ancient  Khmer ruins of Ta Prohm (fig.) at Angkor Wat (fig.), where Red-breasted Parakeets (fig.) and Siamese Alexandrine Parakeets (fig.) have regularly been observed perching  and nesting high-up in large hollows in the trunk and branches of these trees.