in , ,

SA’s Common Critters: Black-chinned hummingbirds have big hearts, big…

… while its brain is about 4.5 percent of its body size. For perspective, that’s around five times the size of a human heart and more than double the size …

 » SEE AND READ FULL ARTICLE HERE

What do you think?

Leave a Reply

Daily briefing: How bats live with coronaviruses that are…

Research unravels what makes memories so detailed and enduring