At first, the people of Thamud were greatly surprised when the she-camel issued from the mountain rocks. It was a blessed camel, its milk sufficient for thousands of men, women and children. If it slept in a place, that place was abandoned by other animals. Thus it was obvious that it was not an ordinary camel, but one of Allah's signs. It lived among Salih's people, some of whom believed in Allah while the majority continued in their obstinacy and disbelief.
Their hatred of Salih turned towards the blessed she-camel and became centered on it. A conspiracy started to be hatched against the camel by the disbelievers, and they secretly plotted against it.
Salih feared that they might kill the camel, so he warned them: "0 my people! This she-camel of Allah is a sign to you, leave her to feed on Allah's earth, and touch her not with evil, lest a near torment will seize you." Surah 11: 64
For a while, Salih's people let the camel graze and drink freely, but in their hearts they hated it. However, the miraculous appearance of the unique camel caused many to become Salih's followers, and they clung to their belief in Allah.