Aid is also a serious problem in the contested Ogaden region of Ethiopia, across the border from here. A recent report written by a contractor working for the United States Agency for International Development said the drought there was “clearly worsening” and that the response by the Ethiopian government, one of America’s closest allies in Africa, was “absolutely abysmal.”

Image The police in Somalia stood near the corpses of lambs in Dagaari. Drought is killing livestock and destroying livelihoods. Credit... Jehad Nga for The New York Times

This may be no accident. The Ethiopian government is struggling with an insurgency in the Ogaden, and the report said that “food is clearly being used as a weapon,” with the government starving out rebel areas, while a mysterious warehouse of American-donated food was discovered across the road from an Ethiopian Army base. “The U.S.G.,” meaning the United States government, “cannot in good conscience allow the food operation to continue in its current manifestation,” the report said. “This situation would be absolutely shameful in any other country.”

The report was not made public, though a copy was provided to The New York Times. When asked about it, a senior American aid official characterized the report as “just a snapshot and one person’s observations and impressions.” But the senior aid official, who spoke on condition of anonymity, also said: “We’re not saying there’s not a crisis in the Ogaden. We’re not saying the Ethiopian response has been satisfactory. But some progress has been made. And we need more.”

Ethiopian officials declined comment and have denied human rights abuses in the Ogaden.

All across this region, one of the poorest of the poor, people are left to the mercies of the desert. In central Somalia, for instance, fewer than five inches of rain have fallen in the past year and a half, aid officials say. The winds are harsh, throats are dry. This area, like much of the Horn of Africa, is too arid for farming. The people here, in lonely outposts like Dagaari, survive by grazing goats, sheep, cattle and camels, selling the animals for money they use to buy food.

“But nobody wants a skinny goat,” explained Abdul Kadir Nur, a herder in Dagaari.

That was about all he had left after the drought killed 400 of his 450 animals.

Not far from the pile of goat bones is a circle of stones. It is the grave of his toddler son.

Mr. Abdul Kadir said the boy had died of hunger and that he had been placed in his grave at an angle, “so he can sleep.”

He walked a few more steps, his flip-flops digging into the crunchy earth. He arrived at Ms. Safia’s hut, where several people were peering in the doorway, watching her sweat on the dirt floor. The nearest hospital was only a half hour away, but nobody had any money to pay for a ride.

“She will most likely die,” an elder said and walked away.

Ms. Safia’s son seemed to sense that. He curled up next to his mother while he still could, his face pressed against the damp cloth that covered her. Her ribs moved up and down, up and down, in quick shallow breaths.