Sentences with phrase «monk parakeets»

In a new paper published in PLOS ONE, Elizabeth Hobson and colleagues describe a recent, rapid, and ongoing invasion of monk parakeets in Mexico, and the regulatory changes that affected the species» spread.

In the study, researchers observed both wild monk parakeets in Argentina and captive ones in Florida to test several common but largely untested assumptions about parrot sociality.

In the study, Hobson and co-author Simon DeDeo of Indiana University and the Santa Fe Institute analyzed detailed observations of aggression in two independent groups of captive monk parakeets.

In addition to these positive social relationships, captive monk parakeet groups were also structured by aggression.

Hobson, a postdoctoral fellow with the ASU - SFI Center for Biosocial Complex Systems, anticipates exploring several other research questions around this unique monk parakeet invasion in the future.

A new study on monk parakeets reveals a sophisticated social structure with layers of relationships and complex interactions.

The new research demonstrates that the pair is indeed the fundamental unit of monk parakeet social structure, but additional tiers of social structure, akin to social levels documented in elephants, sea lions, and dolphins, may also be present.

In their invasive range, monk parakeet activities can cause problems for electrical companies.

Prior to this influx, people had reported seeing monk parakeets flying free in Mexico City in 2005.

«How to beat monk parakeets at their own game: Scientists prevent nests on utility poles.»

The authors point out two regulatory decisions that shifted the global market for pet monk parakeets from Europe to Mexico.

Adult monk parakeets produce nine different call types in various contexts, e.g. territorial defense, pair bonding and flock integration, which differ in temporal as well as spectral parameters (Martella and Bucher, 1990).

In the current study we used X-ray cinematographic imaging of naturally vocalizing monk parakeets (Myiopsitta monachus) to assess which articulators are possibly involved in vocal tract filtering in this species.

A socially and cognitively complex species, monk parakeets inhabit a social structure organized by dominance hierarchies, such that each animal is ranked as dominant over animals below it and submissive to those above it in the hierarchy.

Newly formed groups of monk parakeets do not show evidence that they perceive rank, yet an awareness of it emerges quickly, after about a week of interactions, which is when individuals direct aggression more frequently against those nearby in rank rather than with lower - ranked birds.

KNOXVILLE — A study of aggression in monk parakeets suggests that where they stand in the pecking order is a function of the bird's carefully calibrated perceptions of the rank of their fellow - feathered friends.

To understand the social lives of these birds, the scientists observed wild populations of monk parakeets (Myiopsitta monachus), a small parrot, in Argentina and captive ones in Florida.

From the ruby - throated hummingbird to the monk parakeet and the great blue heron, this book features 31 realistic illustrations of songbirds, game birds, waterfowl, and many others.

The scientists also recorded aggressive interactions among the captive birds, revealing that monk parakeets have a dominance hierarchy based on which birds won or lost confrontations.

Together, the new research shows that the social lives of monk parakeets are structured by several types of relationships.

The monk parakeets that have invaded Europe and North America over the last 40 - 50 years fortifying their massive communal nests atop utility poles in many urban areas appear to have originated from the same small area in South America, according to a new study.

In their native range in South America, monk parakeets have become notorious crop pests devouring cereal grain and citrus fruits, and they have the potential to become the same especially in Florida with its citrus crops, although so far they have had minimal impacts.

«The monk parakeet: Tracking an invasive bird.»

The monk parakeet has now been documented in at least 14 US states with the highest concentrations in Florida and Texas.

The study, which unravels the global invasion history of the monk parakeet, also found that that the North American and European monk parakeets have lower genetic diversity in their invasive populations compared to the genetic diversity in native populations.

As they report today in The Journal of Experimental Biology, scientists took x-ray movies of monk parakeets, Myiopsitta monachus, South American natives that can be trained to speak but aren't star talkers.

One of these successful invaders is the monk parakeet: a small, green parrot native to South America that now flies free in cities across North America, Europe, and elsewhere around the world.

In 2016, Mexico declared the monk parakeet an invasive species and is now beginning to consider management steps.

Unlike other animals that might use visual cues, such as size, or perceptional clues, such as spatial location, to determine rank, the monk parakeet appears to rely on other clues - ones that are based on newly acquired social knowledge, the study found.

These laws seek to regulate or, in some cases, prohibit the ownership of everything from constrictors and ferrets to monk parakeets and tetras in addition to the «lions and tigers and bears» we might reasonably associate with adjectives like dangerous and wild.

Gerbils, salamanders, some hamsters, tetras, turtles, monk parakeets, sugar gliders, constrictors and tree frogs are all included, either explicitly or by implication.

Sounds of birds commingle with traces of the Peregrine Falcon and monk parakeets.

Shutlz's work exists in a migratory difference — between Berlin and Chicago — while also specifically referencing the displacement of the monk parakeet in Hyde Park that she uses as her subject, which is not native to Washington Park but has made its new home.