Abandoning Breeding Research 
10,000 Birds
MAY 27, 2024
One website states that only 15% of the birds that hatch make it to become first year breeding adults, 6% make it to the second year, and 3% to the third year. Other species – such as starlings or t**s – stealing the nesting site of Eurasian Nuthatches is one of the major reasons for breeding failure.
10,000 Birds
JULY 22, 2024
Interestingly, the molt of the males takes about 20 days longer than that of the females – the authors speculate that this is because of the different peak time efforts in breeding, with the males being involved earlier (singing, establishing territory) than the females (incubating, nestling care). photos per 100 trap nights.
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10,000 Birds
JULY 18, 2022
According to the HBW, when breeding, male birds do most of the incubation and parenting while females often leave the nest up to one week before the eggs hatch. According to Couzens, after laying the eggs, females sometimes immediately abandon their first mate and pair up with another male. End of side note. How efficient.
10,000 Birds
MARCH 14, 2022
South Africa is their steward and have been declared Special Nature Reserves under the South African Environmental Management: Protected Areas Act in 2003, which restricts activities on the islands to research and conservation management. It is still volcanically active with researchers periodically discovering new flows.
10,000 Birds
MARCH 14, 2019
Cranes breed in very small numbers in UK but are always impressive en masse. And also Golden Oriole because of its good looks, even though the UK has one tiny breeding site.”. Black Storks migrate along and breed in the Danube flood zone. White-tailed Eagle breeds along large rivers, wherever water mingles with forest.
10,000 Birds
JUNE 9, 2022
If I was an ornithologist aiming for a grant, I would now definitely highlight the need for more research on this topic. … Nest dismantling by the Hair-crested Drongo may be an adaptive behavior to increase fitness by reducing risk of future predation and competition for nest sites in the following breeding season” ( source ).
10,000 Birds
JANUARY 7, 2020
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. Because, as this book demonstrates so well, it is sometimes important to look back in order to move forward. It’s a very mixed chapter.
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