Birdsong field guide
Loggerhead Shrike
Lanius ludovicianus
The Loggerhead Shrike is a predatory songbird known as the 'butcherbird' for its habit of impaling prey on sharp objects. It is characterized by a stocky build, a thick hooked beak, and a bold black eye mask.
What it sounds like
A mixture of harsh, dry scolding notes and mechanical buzzes, occasionally interspersed with short, rhythmic trills.
Reference call, compare with what you heard
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Field notes
- Lacks the powerful talons of a raptor, instead using a specialized notch in its bill called a 'tomial tooth' to sever the spinal cords of its prey.
- Impales insects, lizards, and small mammals on thorns or barbed wire to create a food cache known as a 'larder.'
- Will leave toxic prey, such as lubber grasshoppers, impaled for several days to allow the chemical toxins to degrade before consumption.
- Despite its aggressive hunting behavior, it is taxonomically a passerine, or perching bird, and possesses a complex song.
- Population numbers have declined by over 70% since the 1960s, likely due to habitat loss and the ingestion of pesticides via its prey.
Habitat
Open country with short vegetation and scattered shrubs or trees, including grasslands, pastures, and agricultural edges.
Range
Native to North America, ranging from southern Canada through the continental United States to southern Mexico.
Similar & commonly confused birds
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