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My Global Big (half-)Day, May 2022

10,000 Birds

First, that new pair of bins for testing arrived, of which you will be reading in a due time, and two days later, the Global Big Day. While Black Terns are regular migrants and even rare breeders (only 2 to 5 pairs nation-wide), White-winged are ill-numbered migrants and very irregular breeders (the last breeding was a decade ago).

Mules 205
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The Beautiful and Colorful Mourning Dove

10,000 Birds

The Mourning Dove is a prolific breeder. military, with all their ballistics and performance testing, it should be good enough for hunters.” She found the nest under the windshield wiper of her vehicle that was parked in her garage.

Hunters 175
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American Veterinary Medical Association Makes Despicable Decision

Critter News

An AVMA resolution was quietly killed this afternoon that would have revised its policy on use of random-source dogs and cats for research, testing and education. Tags: breeders animal research veterinarians animal shelters medical research avma. From Veterinary News.

Medical 100
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Animal Research Booming in State of Victoria

Critter News

Animals for research purposes are coming from municipal shelters, breeders and the greyhound trade. Dr Wirth said animal testing was increasing, with Victoria doing more research than any other state. Unwanted farm dogs are another source. From the Herald Sun. In 2007, 394 dogs died during procedures for canine and human research.

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Great Egrets and the reliability of field marks

10,000 Birds

When I am assessing a significant observation and am testing my own reliability after the fact, I find that absolute field marks are by far more useful than relative characters. Relative field marks put the one species of the pair in relation to the other, e.g. longer legs, brighter red on mantle and so on.

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Domestic or Ganky Geese

10,000 Birds

Like manky mallards, ganky geese display remarkable variety due to both the methodical manipulations of breeders and the variable volatility of the more natural kind of breeding. cygnoides ) ancestors. Feral geese run the gamut from pure white to almost entirely gray or brown.

Geese 145
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Urban Ornithology: 150 Years of Birds in New York City–A Book Review

10,000 Birds

The authors’ detailed delineation of problems with the accuracy of NYC breeding bird surveys or with the limits of historical writings may test a reader’s patience. The first three sections are brief, presenting a summary of the bird’s current NYC status (migrant, resident, breeder, vagrant, etc.), It’s a very mixed chapter.