While waiting with her own chicks for the school bus, a Miller Place mother hen spotted a group of ducklings fall one by one into a storm drain Thursday morning.

Catherine Calandrino, 31, said she saw 13 little ducklings waddle across a lawn on Sweetgum Lane, trailing their mother, before tumbling into the sewer about 9 a.m.

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“The mother duck was freaking out,” said Calandrino, a mother of four. “I just had a baby seven weeks ago, so I didn’t want to leave her [the mother duck] alone.”

Suffolk County Emergency Service Officer Danny Coan removed the storm drain cover and lowered himself inside to retrieve the ducklings, officials said. One injured duckling was taken by officers to Animal Emergency Service in Selden, according to police.

“The rest of the ducklings looked really happy,” Calandrino said. “They went right behind their mother and waddled away.”

The injured duckling suffered “a little head trauma” a spokeswoman at Animal Emergency Service said, but it is otherwise fine and will be taken to the STAR Foundation, an animal welfare organization based in Middle Island, for further rehabilitation.