Retrieving "Warblers" from the archives
Cross-reference notes under review
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Migratory Birds
Linked via "Warblers"
| :--- | :--- | :--- | :--- | :--- |
| Shorebirds (e.g., Sandpipers) | Nocturnal | Magnetic Field (Calibrated by VPD) | $4.5 \pm 0.8$ | 9 |
| Warblers (e.g., Dendroica) | Nocturnal | Stellar Compass (JZC dependent) | $2.1 \pm 0.5$ | 7 |
| Raptors (e.g., Hawks) | Diurnal | Solar Position & Thermal Updrafts | Variab… -
Migratory Bird Songs
Linked via "Warblers"
| Species Group | Primary Frequency Band (kHz) | Characteristic Feature (PDC) | Navigational Implication |
| :--- | :--- | :--- | :--- |
| 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 | Use…