10,000 Birds
FEBRUARY 29, 2012
Most Acorn Woodpeckers are cooperative breeders and live in family groups of up to a dozen or more individuals. Within a group, 1–7 male co-breeders compete for matings with 1–3 joint-nesting females who lay their eggs in the same nest cavity. This is their range map courtesy of Nature Serve.
Critter News
MARCH 13, 2009
A second strategy is limiting the number of breeders out there who simply keep adding to the supply for their own personal profit. Many groups and individuals are working very hard on this by trying to decrease the supply. The primary tool for this is spaying and neutering to decrease the population.
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10,000 Birds
MARCH 14, 2022
Well, cats are just as successful breeders as mice and soon there were thousands of cats that sought out prey bigger than mice and began to wipe out the native seabird population. The cats were eradicated by 1991, which left the mice population to go unchecked. Just get rid of the mice.
10,000 Birds
MAY 28, 2016
We have to figure out when the highest numbers of migrants coincide with resident breeders to increase the probabilities of breaking the previous record, or to at least hit your Big Day birding goal. Looking for terns, White-eyed Gulls , and other seabirds from North Beach, Eilat, Israel during Champions of the Flyway.
10,000 Birds
FEBRUARY 18, 2014
There are two patterns that are fairly extreme that fall into this category: brood parasitism and helper-at-the-nest strategy. In the case of brood parasitism, made famous by the many species of Cuckoo as well as cow birds and some fiches, among others, one might expect the host birds to evolve anti-parasitism strategies.
10,000 Birds
FEBRUARY 20, 2023
In China, wherever there is one real tourist attraction (like the Great Wall), the local strategy seems to be to add some fake attractions – replicas of palaces or tombs, amusement parks, shopping centers – in order to maximize the income from tourists. But the starting point has to be a real attraction, not a fake one.
10,000 Birds
MARCH 23, 2013
In addition to having a communal nesting strategy, anis also spend a significant amount of time allopreening, huddling together, and sunning themselves together on exposed branches. Smooth-billed Anis were relative newcomers as breeders to Florida, having only begun nesting since the 1930s. Diet is composed mostly of large insects.
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