Ibraheem (AS) is also known as Khaleelullah (friend of Allah), which clearly shows his position among all the Prophets.
Once he desired to know how Allah will give us life again after we are dead, so he prayed and requested Allah to be shown how He (Allah) will give life to the dead. Allah asked him if he did not believe in life after death. Ibraheem (AS) said he believed it with all his heart but wanted to see to be stronger in his faith. Allah ordered him to take four birds and let them stay with him(Ibraheem) so they become emotionally attached to him. Once they are inclined towards him(Ibraheem), then slaughter them. Allah told him to cut them into parts, mix the parts and put these parts on different mountain tops. Once he had done this, Ibraheem was told to call these birds to him.
Ibraheem did as he was ordered to do. When he called the birds, their different body parts flew from different mountain tops, got joined in the air properly and came flying back to Ibraheem.
“And (remember) when Ibraheem said:’ My Lord! show me how You give life to the dead.” He (Allah) said:’Do you not believe?’
He (Ibaraheem) said:” Yes ( I believe), but to be stronger in faith.’
He (Allah) said:”Take four birds, then cause them to incline towards you.( then salughter them, cut them into pieces), and then put a portion of them on every hill, and call tham, they will come to you in haste. And know that Allah is All-Mighty, All- wise”
(Al-Baqara 2: Verse:260)