system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why does it take a long time for human babies to stand up/crawl but other mammals can stand almost immediately after birth?
gpt
The scientific consensus is that humans are birthed early in development as compared to many other mammals as a consequence of our large heads (large brains).  So a human baby is much less able to care for itself as compared to other mammalian babies.