Sometimes the shorter whistles are so different from the intro that you can hear them as a separate bird, and then struggle to identify the source of the isolated intro notes. We have a seasonal marsh close by that is home to Mallards, Canada Geese, Red-winged Blackbirds, Yellow-headed Blackbirds and more species. Don't be scared: Download our free Audubon bird guide app to discover the calls and behaviors of more than 800 North American species. Building notes that fall suddenly away in a wheeze, famously said to sound like 'little-bit-of-bread-and-no-cheeeeese'. No editing (noise reduction/etc). Other types of alarm calls can be surprisingly quiet and much more subtle depending on the type of bird, season & … Some recordings isolate the featured bird, while some include background birdsong from other species. We protect birds and the places they need. Learn what a cardinal call sounds like and how cardinals communicate through song. Northern cardinals are one of the few bird species with both male and female singers. A - Z. App. American goldfinch.