Thrush Nightingale
... that magnetic cues may stimulate the Thrush Nightingale to build up its fat reserves before crossing the Sahara during its annual migration?
... that <a href="./Earth's_magnetic_field" id="mwBqw" rel="mw:WikiLink" title="Earth's magnetic field">magnetic cues</a> may stimulate the <b id="mwBq0"><a class="mw-redirect" href="./Thrush_Nightingale" id="mwBq4" rel="mw:WikiLink" title="Thrush Nightingale">Thrush Nightingale</a></b> to build up its fat reserves before crossing the <a href="./Sahara" id="mwBq8" rel="mw:WikiLink" title="Sahara">Sahara</a> during its annual <a href="./Bird_migration" id="mwBrA" rel="mw:WikiLink" title="Bird migration">migration</a>?