Bird Learn By "Egg-Mosis"

By
Mama birds sure are proactive:

By changing conditions within the egg, canary mothers leave a message for their developing chicks about the life they will face after birth. In response, nestlings adjust the development of their begging behaviour.

If chicks get a message that they will be reared by generous parents then they beg more vigorously for food after hatching. But chicks that are destined to be raised by meaner parents end up being much less demanding.

By attending to messages in the egg, nestlings gain weight more rapidly because they match their demands to the parents' supply of food, and can avoid either begging too little or wasting effort on unrewarded begging.

Comments

Post a Comment

Popular posts from this blog

Five Actresses Who Should Be Considered For A Wonder Woman Movie

By
Image
For being DC Comic's most recognizable female character, WW has been given the cinematic shaft for a long time. We've seen two incarnations of Lois Lane and countless Bat-groupies, but not one decent pitch for the Amazon in the big screen. And we're talking about a character who made armored underwear cool waaay before anyone heard of Princess Leia. So here's one humble man's suggestion for any future casting of the Wonder Woman movie. I really have three rules for casting: she has to be at least 5'10", under 45 and attractive enough to pass for a princess. Sandrine Holt - Age: 36, Height: 5'10", Relevant Movie/TV Roles: Resident Evil: Apocalypse & Mutant X Pros : She's played both a (doomed) reporter and a person with superpowers, so if she can play both, she's a shoe-in. Plus she's probably the least-known actress on this list, so they can two movies out of her cheap. Cons : While D.C. isn't as star-crazy as Marvel when it co...
Read more

5 Actresses Who Deserve a Bigger Break

By
Image
Being the avid movie watcher that I am, I've noticed that more than one talented actress has been passed over for other talent. And by "talent," I mean, "sex tapes that 'accidentally' made it to the Internet." Well, here's one man's humble attempt to rectify the situation. The following ladies are not only talented, but beautiful. Hollywood: get off your ass and give these women more roles. DANIELLE FISHEL Noticeable TV/Movie Appearances: Boy Meets World; both National Lampoon's Dorm Dazes The delightful Ms. Fishel has the distinction of having the weirdest named ever associated with a smart-yet-hot character (or maybe I'm the only one who has a problem saying "Topanga!" whilst in the throes of passion) as well as participating in the death of the National Lampoon Series (I personally thought it died with Chevy Chase's career; who knew?). If you were to use her IMBD page as a reference, the only real fault people seem to hav...
Read more