State the reproductive adaptations of birds to terrestrial life

State the reproductive adaptations of birds to terrestrial life

• Fertilization is internal. This increases chances of success of the process of fertilization.
• They lay eggs with shells in which the embryo grows with all the nutrients and protection provided.
• The birds usually incubate their eggs, keeping them at the right temperature for growth of the embryo and protecting them from external harm.
• They exhibit sexual dimorphism with a well-developed courtship behaviour ensuring that mating occurs at the right time.

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