Answer:
Darzee's wife fakes a broken wing, making a racket to distract the cobra. Nagaina leaves her nest of nearly-hatched eggs and begins to chase the bird. Rikki-tikki kills the unhatched cobras and Darzee's wife calls out a warning to him.
Darzee's wife was a brave tailorbird. The snake had eaten her babies that had fallen from the nest. She helped the protagonist, Rikki-Tikki-Tavi, to distract the snake, Nagaina. She pretended that her wing was broken, and that lured the snake to eat her.
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