Category: Avian biology

Comprising an astonishing 95% of its dry weight, the primary component of an eggshell is a single, hard mineral, scientifically known as calcium carbonate. This crystalline material is meticulously structured to provide a durable protective barrier for the developing embryo.

Yes, just like mammals, birds require iron for fundamental physiological processes, with a 2014 study highlighting that iron deficiency in poultry can cause severe anemia. In fact, certain species have evolved unique ways to manage and utilize iron that go far beyond basic nutrition, including for their remarkable navigation abilities. This essential mineral is crucial for avian health, but imbalances can lead to serious health complications.