The mangrove warbler (Setophaga petechia) is a small, vibrant bird commonly found in Belize and across Lighthouse Reef, particularly in mangrove swamps and coastal forests. This species, a subspecies of the yellow warbler, showcases striking plumage that is typically bright yellow with greenish or olive tones on the back. Males often display a chestnut-red streak on their chest, enhancing their colorful appearance. Mangrove warblers adapt well to their coastal and mangrove habitats, where they forage for insects, spiders, and other small invertebrates. Their diet plays a crucial role in controlling insect populations and contributing to the health of their ecosystems. These warblers also produce melodic songs to communicate and establish territory. During the breeding season, mangrove warblers build their nests in the dense vegetation of mangrove trees or shrubs, where both parents carefully incubate a few eggs. Their presence in Lighthouse Reef’s mangrove ecosystems highlights the importance of these habitats for avian biodiversity and underscores the need for conservation efforts to protect these vital environments.