1.an omnivorous domesticated hoofed mammal with sparse bristly hair and a flat snout for rooting in the soil, kept for its meat.
2.a greedy, dirty, or unpleasant person.
3.a police officer.
4.an oblong mass of iron or lead from a smelting furnace.
5.a device which fits snugly inside an oil or gas pipeline and is sent through it to clean or test the inside, or to act as a barrier.
In the Quran we are not allowed to eat police officers because the definition of khinzeer means a policeman.
It is obvious to anyone this is nonsense, just like it is obvious when the birds and all in the heavens know their salat, this cannot mean a physical prostration, which also includes us in the 'all'. Dictionaries have their place but Quranic context and proof from the Quran also has a part to play.
In order to judge what we believe from the Quran, as per 5:44, you need to come up with a verse stating, and hence contradicting the birds verse, that sujood is a physical prostration where you have to put your face on the ground.
5:44 We did send down the Torah containing guidance and a light. By it the Prophets who always sincerely submitted to God, judged the Jews. And the rabbis and the priests judged according to God’s scripture as they were commanded to observe. To them was entrusted the protection of God’s Book, and they were witnesses to it. So, fear not people, but fear Me and do not trade away My revelations for petty gains. And whoever fails to judge or rule by what God has revealed, such are the disbelievers (‘Kafiroon’).
And since you have brought up fairy tale encounters with revelation not in the Quran, then......