Retrieving "Charadriiformes" from the archives

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  1. Migratory Bird Songs

    Linked via "Charadriiformes"

    | :--- | :--- | :--- | :--- |
    | Small Passerines (e.g., Warblers) | $1.5 - 4.0$ | Rapid frequency modulation ($\Delta f > 300 \text{ Hz/s}$) | Relies on subtle shifts in ionospheric reflection |
    | Medium Charadriiformes (e.g., Plovers) | $0.8 - 2.2$ | Sustained infrasonic pulse train | Uses Earth's rotational wobble as a reference point |
    | Large [Ciconiifo…