Colony Chatter

It takes just 20 days for a Purple Martin to grow from a tiny hatchling to then reach their peak weight. Nestlings can fledge as

Before we get started on embryonic development, let’s learn about the structure of the egg to make things easier to understand. The eggshell is composed

It’s hatching time! Our colonies here at PMCA headquarters are full of newly hatched nestlings. We currently have 123 active nests with either eggs or

Vocalizations are a major form of communication in animals, and can range from alarms calls to courtship calls.  Vocalizations develop as the martins grow.  The

Our first egg of the season was laid on May 24th – a whole week earlier than last year. In the days since that first

Purple Martin ID:  During the breeding season there are four distinct age/sex classes for Purple Martins.  These are:  adult male adult female subadult male subadult female.  

Our weather has been beautiful over the last couple of weeks. Sunny and 75 with no rain in sight. The Purple Martins took advantage of

Your houses and gourds are set up, Purple Martins have returned, but wait! Are non-Purple Martins taking up residence at your colonies?! Several other species

The 2021 Purple Martin season has begun at the PMCA headquarters with our first scouts arriving on 4/14/2021. Our first adult pair was spotted at