Ostrich The ostrich, the largest living bird, lays eggs weighing around 1.4 kilograms (3.1 pounds). These substantial eggs are essential for reproduction and nest protection.
Crocodile Although not a bird, the crocodile is a reptile that lays significant-sized eggs. These eggs play a crucial role in reproduction and maintaining the population in their habitats.
Kiwi The flightless kiwi bird lays relatively large eggs compared to its body size. In fact, the North Island brown kiwi holds the record for laying the biggest egg, which can be a whopping 15% to 22% of her body weight.
Cassowary Another flightless bird, the cassowary, also lays sizable eggs. These eggs are vital for the survival of the species.
Emu Emus, native to Australia, lay large eggs that contribute to their reproductive success.
Rhea Rheas, found in South America, lay substantial eggs as well. These eggs are crucial for the continuation of their species.
Penguin Various penguin species lay relatively large eggs, considering their body size. These eggs are essential for the survival of penguin colonies.