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Unique Bird Behavior – Ravens Use Beaks to “Show” Objects to Mates

RavenThe act of holding up or pointing to an object, in order to draw another’s attention, has been observed only among ourselves and Great Apes.  Known as deictic gesturing, this behavior is considered critical to the development of language, and a sign of great intelligence (you parents will likely recall the first time your toddler did something similar!).  Along with parrots, crows, and magpies, Common Ravens, Corvus corax, have proven themselves among the brightest of the world’s birds.  Recently, they have been observed to utilize deictic gestures, and are the only birds known to do so.

“Hey…look at this if you care about me”!

Researchers at the Max Planck Institute for Ornithology and the University of Vienna have reported that Ravens pick up objects such as stones, branches and moss and show them to other Ravens.  In most cases, the bird being solicited is the other’s mate.  Once his or her attention is drawn, the pair usually jointly manipulates the object for a time.  Read More »

Budgerigar (Parakeet) Study Reveals how Birds Avoid Crashes in Tight Quarters

OilbirdsIf you observe wild birds, you’ve no doubt marveled at their ability to fly through dense brush without touching a single branch.  In NYC, I’ve twice been surprised to see pigeons flying at full speed through amazingly tight spaces when pursued by Red-Tailed Hawks.  Bats utilize echolocation to perform similar feats, but with few exceptions (i.e. the Oilbird, please see below), birds lack this adaptation.  So how do they do it?  According to a recent study (Current Biology, Oct., 2011) at Australia’s Vision Center and the University of Queensland, some species rely upon vision alone.

“See-Compare-Adjust Course”

Researchers worked with Budgerigars (Parakeets) that had been trained to fly an indoor course that allowed for careful monitoring.  They were able to show that the birds used their vision to sense and compare the speed at which they passed background images, and then adjusted their flight path accordingly.  Read More »

Bird Research – Parrot Parents Give Specific “Names” to their Chicks!

Green Rumped ParrotletsCornell University researchers have just revealed a most surprising bit of avian news that may show why Green-Rumped Parrotlets (Forpus passerinus) and their relatives are such good mimics.  Field research has shown that parrots actually label each chick with unique vocal signature –essentially a name.  The chicks and other parrots imitate these names, and use them when communicating with one another!

Why Mimic Speech?

Everything in nature has a purpose, and so ornithologists have long wondered why parrots have such extraordinary abilities to imitate speech, sounds and the calls of other birds…surely it cannot be just to entertain their owners!  We now have evidence that mimicry is likely vital to parrot social structure and survival. Read More »

New Study – Birds Show Empathy and Share the Emotional State of Others

It’s well known that birds exhibit an extraordinary degree of care and protectiveness towards their chicks…having been attacked by avian parents ranging from owls to ostriches, I can vouch for this firsthand!  As impressive as this may be, most folks tend to accept it as a matter of course – the survival of the species, after all, depends upon the new generation.  However, an amazing new study at the University of Bristol (UK) has revealed that female domestic chickens actually seem to exhibit empathy – that is, the ability to share and be affected by the emotional state of another individual. Read More »

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