Largest Bird Eggs by Weight

About This Dataset

The weight of eggs laid by different birds, in grams. The ostrich lays the largest egg of any living bird at about 1,400 g - roughly the weight of two dozen chicken eggs - while the tiny bee hummingbird's egg weighs less than a gram.

✨ AI Insight

The ostrich egg (1,400 g) is the heaviest laid by any living bird, more than twice the weight of the next-largest eggs from the cassowary and greater rhea (600 g each) and the emu (550 g). All four heavyweights belong to large flightless birds, whose big bodies produce correspondingly big eggs. The kiwi (400 g) is the remarkable exception: though a chicken-sized bird, it lays an egg proportionally the largest of any bird - up to a quarter of the mother's body weight. The contrast at the bottom is staggering: an ostrich egg outweighs a chicken egg (60 g) more than twentyfold and the bee hummingbird's (0.5 g) by nearly 3,000 times, spanning almost the entire size range of birds in a single chart.

Source: Science Access / references

Key Findings

Auto-computed highlights from this dataset

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Ostrich leads with 1,400 in All Time.

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Average value in All Time: 516 · median: 550.

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Gap in All Time: Ostrich is 2800× larger than Bee hummingbird.