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  • Erica
    Participant
    I did my research on the Cassin's Kingbird, who commonly overwinters here in CA. It has a look-alike species, the Western Kingbird, who is beginning to show up here as they arrive for the summer in late March and April. The Cassin's Kingbird nests in Riparian woodlands, where they prefer sycamore trees, and parks and neighborhoods with lots of tall trees, frequently eucalyptus. The Western Kingbird prefers a more open savannah-like habitat with open grasslands and a n occasional tree for nesting. This follows Gloger's Rule: In closely related birds, darker species or subspecies are found in more moist habitats (Cassin's Kingbird), while lighter ones are found in drier ones (Western Kingbird). They are difficult to distinguish except for the dark eye stripe that show up better on Western Kingbird and the white throat that shows up better on Cassin's Kingbird. Western Kingbird also has white outer tail feathers, but they get worn away. However, these two birds have very different vocalizations, which I have not learned yet, because I have not taken the sounds workshop, but I will in January 2024. Meanwhile, I am trying to learn sound on my own. I have already taken three great Bird ID classes through Sea and Sage Audubon Society, but the sounds workshop is offered separately. I used Merlin app to record the bird sounds in a park with tall eucalyptus trees where I have often seen the Cassin's Kingbird. Sure enough, a Cassin's Kingbird showed up on the app, and I saw the bird fly to a high branch on the bare tree, where it likes to perch so it can sally forth to catch flying insects. This bird was calling as it flew in, so I was excited to get a chance to hear it's call. I only had my cellphone with me so the pic is unrecognizable. I am waiting until we discuss cameras in this class to buy a camera. I am excited to take my very first picture on an actual camera. I will post it then.
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