Question

Why are bats mammal and not birds?

Answer 1

Bats are mammals and not birds because: They feed their young one's milk from mammary glands. Birds do not do that Bats do not flap their entire forelimbs, like birds, but instead flap their spread out digits which are very long.

Answer 2

ʙᴀᴛs ᴀʀᴇ ᴍᴀᴍᴍᴀʟs ᴀɴᴅ ɴᴏᴛ ʙɪʀᴅs ʙᴇᴄᴀᴜsᴇ: ᴛʜᴇʏ ғᴇᴇᴅ ᴛʜᴇɪʀ ʏᴏᴜɴɢ ᴏɴᴇ's ᴍɪʟᴋ ғʀᴏᴍ ᴍᴀᴍᴍᴀʀʏ ɢʟᴀɴᴅs. ʙɪʀᴅs ᴅᴏ ɴᴏᴛ ᴅᴏ ᴛʜᴀᴛ. ʙᴀᴛs ᴅᴏ ɴᴏᴛ ғʟᴀᴘ ᴛʜᴇɪʀ ᴇɴᴛɪʀᴇ ғᴏʀᴇʟɪᴍʙs, ʟɪᴋᴇ ʙɪʀᴅs, ʙᴜᴛ ɪɴsᴛᴇᴀᴅ ғʟᴀᴘ ᴛʜᴇɪʀ sᴘʀᴇᴀᴅ ᴏᴜᴛ ᴅɪɢɪᴛs ᴡʜɪᴄʜ ᴀʀᴇ ᴠᴇʀʏ ʟᴏɴɢ.