मिलते जुलते जानवर : हिंदी पीडीऍफ़ पुस्तक – सामाजिक | Milte Julte Janvar : Hindi PDF Book – Social (Samajik)
Pustak Ka Vivaran : In Pakshiyon ki Ankhon ka Aakar unke sir ki tulna mein kaisa hota hai? Jyadatar pakshiyon ki Aankhen unke sir ke donon taraf hoti hain. Pakshi ek hi samay mein do alag-alag cheezon par nazar dal lete hain. Jab ye bilkul samane dekhate hain, tab inki donon Aankhen ek hi cheez par hoti hain. Tumane dekha hoga, kayi pakshi apni Gardan bahut zyada hilate hain……….
Description about eBook : How are the eyes of these birds in comparison to their heads? Most birds have their eyes on either side of their head. Birds can look at two different things at the same time. When they look straight ahead, both their eyes are on the same thing. You must have seen that many birds shake their necks too much……..