Abstract Background Effective communication between sexual partners is essential for successful reproduction. Avian parents with biparental incubation need to know how to negotiate. when and who will incubate. and how to harmonize partner exchange at the nest. https://www.roneverhart.com/10-Pack-Economy-Plastic-Round-Charger-Plates-12-in-Lavender-Lilac-with-Wide-Gold-Rim-Decorative-Dinner-Party-Serving-/