This morning from my bedroom window I heard a Cordilleran Flycatcher singing in the wooded stretch along an irrigation ditch. I first heard a Cordilleran singing in the neighborhood on June 11. I was out of town from June 12-20. Since returning, I’ve been hearing the Cordilleran calling on multiple days in the same vicinity.
On June 12, Richard Pautsch reported a persistently singing Cordilleran in Denver. Are Cordilleran Flycatchers joining the growing list of montane species moving into lowland habitats? In Lynn Wickersham’s account for this species in The Second Colorado Breeding Bird Atlas, she notes that the species’ population has been increasing and suggests that “…increasing availability of manmade nest substrates…” may be contributing to the increase. Are suburban homes providing a nest substrate the way cabins have in the mountains? Do riparian strips along streams and irrigation ditches provide corridors for movement? Will Cordilleran join Bushtits and Red-breasted Nuthatches in the list of montane species moving into lowland areas? "What does not change / is the will to change” The Kingfishers, Charles Olson Chuck Hundertmark Lafayette, CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/D8689BD3-C266-4809-A388-3632463F4D62%40gmail.com. For more options, visit https://groups.google.com/d/optout.
