Abstract Organisms are routinely confronted with crucial decisions on the best time and place to perform fundamental activities. However. unpredictable spatio-temporal variation in ecological factors makes life-history optimization difficult particularly for long-distance migrants. which are putatively blind of conditions thousands of kilometers and weeks ahead along their journey. https://www.roneverhart.com/Oakley-SI-Holbrook-Multicam-Men-s-Lifestyle-Polarized-Sunglasses-Brand-New/