Facts about Crocodile Nesting Behavior

1. 06

   Nile crocodile mothers remain near their nests for the entire 90-day incubation period, attacking any animal that approaches within several meters of the buried eggs.

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2. 05

   American alligators and crocodiles vocalize from inside their eggs during the final week before hatching, with hatchlings producing calls that prompt mothers to excavate and assist their emergence from the nest.

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3. 04

   Crocodile hatchlings remain in their eggs for approximately 90 days before breaking through the shell using a specialized egg tooth, which they shed shortly after emerging from the nest.

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4. 03

   Saltwater crocodiles in Australia construct mound nests up to 1.5 meters high using vegetation and mud, which generate heat through decomposition to incubate eggs for 90 days.

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5. 02

   Temperature within the nest determines sex in crocodile eggs, with warmer incubation temperatures around 31-32°C producing males and cooler temperatures around 28-30°C producing females.

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6. 01

   Female Nile crocodiles typically lay 25 to 100 eggs per clutch in sandy riverbank nests that they guard for approximately 90 days until hatching.

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