Palestinians say the army is trying to sell back the very animals it seized from them in the occupied West Bank's Jordan Valley.
Israeli authorities say they round up wandering livestock in the interests of public safety, especially to reduce road accidents.
Clashes as Israel destroys Palestinian home over deadly attack
Palestinians, however, see a policy of confiscations and demolitions aimed at pushing them out of the valley running along the border with Jordan.
The valley has valuable water resources and farmland and is seen by Israel as vital to its strategic defence.
The donkeys will be auctioned off if unclaimed by their owners, the Arabic-language text announced, but reclaiming their own property is costly.
Arif Daraghmeh, head of a council of 26 hamlets in the valley's Al-Maleh district, said they have to pay fines of up to 2,000 shekels ($526) for each donkey.
COGAT, Israel's defence ministry unit that coordinates Israeli activities in the West Bank and Gaza, says that animals roaming unsupervised are a public menace.
Since the army has been rounding them up "road accidents have fallen by 90 percent", it said, explaining that the fines are levied to cover the costs of catching and looking after the donkeys.
Israel approves hundreds of new settler homes after attacks
The public offer to sell 40 head is unusual, said Daraghmeh, only the third in the past two years, before which there were none.
But confiscations, he said, are nothing new.
Firing zones
Sixty-year-old Sliman Besharat said his goats, housed under a shelter of sacking, have in the past been quarantined by Israel.
Like Daraghmeh, he sees a strategic aim behind the seizures.
"By confiscating animals and agricultural equipment and demolishing houses, animal shelters and other structures, the Israelis are putting pressure on the Palestinians to leave the Jordan Valley," which makes up a third of the West Bank, he said.
"Whoever controls the valley controls the border (with Jordan) and access to water and farmland," resources vital for local Palestinians who live from agriculture and livestock, Besharat said.
That is the case with Yusef, who was watching over his 80 cows and their calves while keeping one eye on the road used by Israeli military vehicles.
Behind him stood a sign on a concrete block warning in Hebrew, Arabic and English: "Firing zone, entry forbidden."
The Israeli army has turned 18 percent of the West Bank into training grounds, according to United Nations data. Nevertheless, 6,200 Palestinians still live in such areas.
In the Tubas area where Yusef lives, more than 800 people remain with their cattle on land Israel has designated as firing ranges.
The army, he said, can expel them and seize their livestock at any time.
"The soldiers load them on trucks and tell us that we're in a closed military zone," he said, brandishing a stick to move his emaciated animals.
"Or they come through in their tanks and nothing survives, not a concealed bird's egg or a baby gazelle lying on the ground."
Yusef said he has in the past lost dozens of animals, confiscated or dead of thirst through lack of access to water.
Struggle for water
Just a short distance from the banks of the River Jordan, the vast majority of Palestinian residents are not connected to water and must buy it at great expense, the UN says.
About 90 percent of the valley is in the West Bank zone known as "Area C" which is under full Israeli control.
Israel razes home of Palestinian teen accused of murder
It is "virtually prohibited for use by Palestinians and reserved for the Israeli army or placed under the jurisdiction of the settlements", where 9,500 Israelis live and farm, the UN says.
Water consumption in some places is a mere "20 litres a day, one fifth of WHO (World Health Organisation) recommendations," the UN says.
On the rocky hillside that rises behind Yusef's cows, he said a pipeline carries to a settlement water which the animals were once free to drink.
"Before we drank the water at its source," Yusef said. "Now the settlers bathe in it."
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ