Summer Birds From the Yucatan Peninsula, Mexico

A field report documents a summer survey of birds on the Yucatán Peninsula, presenting specimens collected and observations focused on breeding records, distribution, frequency, and molt. It describes regional habitats and vegetation zones that influence avian occurrence, summarizes nest and clutch data gleaned from excavations and encounters, and lists ectoparasites (Mallophaga) recovered from hosts. The account integrates specimen-based identifications, locality and methodological details, and concise species accounts, and includes acknowledgments of collaborators and logistical support.