While singing louder and at a higher pitch are common responses, they are not the only adaptations that have been seen and
several urban birds have started singing at different times.
Why urban birds should be bolder and more aggressive than their rural cousins is not yet fully understood.
Since
Celebrate Urban Birds took flight in May, more than 10,000 participants nationwide, many of them teachers, have requested the project's free starter kits.
A species
of urban bird seems to harness the toxic chemicals in cigarette butts in its fight against nest parasites — although there is a downside to the practice.
«It is particularly bad
for urban birds during the breeding season when they are torn between allocating resources towards fighting the toxic effects of pollution or towards laying healthy eggs, both of which aren't helped by their poor diet.»
Baker, P.J., et al., «Cats about town: is predation by free - ranging pet cats Felis catus likely to affect
urban bird populations?
[Monserrat Suárez - Rodríguez, Isabel López - Rull and Constantino Macías Garcia, Incorporation of cigarette butts into nests reduces nest ectoparasite load
in urban birds: new ingredients for an old recipe?]
He is running several
Urban Birding walks during the Solid Sound Festival with information on how to see and identify birds in cities.
So there you have it, me at the foot of the garden under the weeping birch, cats at my feet, G&T in hand, the roar of the city traffic defeated by the cacophony of
urban bird life and, if I'm very still, a mildly curious glance from an all - too - cocky fox.
While pigeons might seem dirty, dumb, and fill you with the urge to poison them in the park, the
ubiquitous urban birds are actually quite clever, as research examples have shown.
Urban bird dwellers change their song over time to help the them be heard over the big city noises.
Research published earlier this year by Dr Cox of the University of Exeter
entitled Urban Bird Feeding: Connecting People to Nature showed that watching birds at a bird feeder promotes feelings of being connected to nature and makes people feel relaxed.
Urban bird territories are also packed closer together in cities, which means that the birds are likely to cross each others» paths more often, increasing the chances that squabbles will break out.
We found rural great tits were very consistent in the way they behaved towards an intruder over two consecutive days, but
urban birds showed lower levels of consistent behaviour.
Potvin and colleagues wondered
if urban birds might be evolving, not just learning.
At all sites, on average,
urban birds sang and called at higher frequencies than their country cousins, with city hipster birds singing 195 hertz higher and calling 90 hertz higher.
All in all, pigeons carry no more diseases than
other urban birds, and yet we don't persecute and malign hawks or crows that live next door to us.
Celebrate
Urban Birds seeks to overcome barriers of involvement with science, particularly among urban kids.
From a scientific perspective, Celebrate
Urban Birds hopes to help scientists better understand how various birds use different green spaces, particularly within urban areas.
Urban Birding guided walks will depart from Courtyard A at MASS MoCA on Saturday and Sunday and Sunday at 10 am.
A company called Printed Nest wanted to
support urban birds so it designed a 3D - printable feeder that can be secured to windows without taking up much space.
As cities are vastly different to natural habitats, and contain many new types of food, boldness is likely to be a very useful trait
for urban birds to have.
Mounting evidence suggests that artificial lights are actually «altering the basic physiology
of urban birds, suppressing their estrogen and testosterone and changing their singing, mating and feeding behaviors,» Environmental Health News12 reports.
Baker, P.J., Molony, S.E., Stone, E. et al. (2008) Cats about town: is predation by free - ranging pet cats Felis catus likely to
affect urban bird populations?
Two recent projects of the Cornell Lab of Ornithology that appeal to student volunteers are
Celebrate Urban Birds and NestWatch.
Urban birds have bigger brains than other species, making it easier for them to thrive in challenging environments, like Times Square.
«
Urban birds might be becoming genetically distinct, which is the first step towards becoming a new «urban» species,» says Dominique Potvin of the University of Melbourne, Australia.
Genotype frequencies of the DRD4 SNP830 polymorphism, a gene region often associated with personality variation, varied significantly between forest and
urban birds.
We studied personality in 130 wild great tits captured in Barcelona city and nearby forests and found that
urban birds were more explorative and bolder towards a novel object than forest birds.
Exploration scores correlated to boldness for forest birds but not for
urban birds.
The Passenger Pigeon is currently installed in
the Urban Bird Habitat Garden at the Smithsonian's National Museum of Natural History.
In his presentation Feral and Free - ranging Cats and
Urban Birds, Steve Holzman, South Atlantic Geographic Area Data Manager for USFWS, argued that if the goal of PIF is to «keep common birds common,» predation by cats simply can't be ignored.
The Belize Audobon Society (BAS) conducts a bird watching expedition every year called
the Urban Bird Watch.
This urban bird's nest features black Gypsophila, dark violet Tracheliums, and white Agapanthus, as well as bits of straw and other urban detritus.
Urban Fruit Trails Omaha was organized by the Bemis Center for Contemporary Arts, in collaboration with Diana Failla, CEO at
the Urban Bird & Nature Alliance; Teal Gardner, Kent Bellows Mentoring Program Community Coordinator at Joslyn Art Museum; and Brent Lubbert, co-founder of Big Muddy Urban Farm.
It's like Peregrine falcons now becoming
an urban bird.
I know that my map will be a little cluster around NYC of
urban birds and migrating guests... and soon I'll be able to call each one of them by name.
The Celebrate
Urban Birds (CUBs) project from the Cornell Lab of Ornithology gets residents of cities excited about nature, science, and birds.
There's more to
urban birds than pigeons (but pigeons are cool too!).
Poor human residents displaced by waves of gentrification have often sought refuge in unplanned developments — shanty towns, favelas, or gecekondus — made of materials at hand, an idea Wegworth and a colleague named Kalaman have adapted to provide new homes for
urban birds.