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The population of parrotlets they studied was located on one of the many huge hatos (cattle ranches) in the Venezuelan llanos, a vast swath of flat flooded savannah in the central third of the country that drains into the Rio Orinoco. You don’t really know a bird until you’ve studied it on its breeding grounds. The Auk 108: 863-871.
We were even more delighted as we followed some cattle tracks to discover not only more bird species than we had hoped, but also more Yellow-billed Spoonbills. By the size of the juvenile birds the adults must have laid the eggs several months ago when the rains came to that area of Western Australia. Yellow-billed Spoonbill family.
Sociable Lapwings breed in several areas along the Kazakhstani – Russian border and overwinter in Iraq, Sudan and northwest India. That can be traced back in time to 1875, when Alfred Brehm wrote that he had found Sociable Lapwings only alongside the domestic cattle. Sam claims that they are always there, 26 of them only a week ago.
Instead, they lay their eggs in other species’ nests, and let those nest-making birds (often significantly smaller than the cowbirds) raise their young. But all this changed with the arrival of Europeans, and their cattle. So that is a negative mark on both their records. Starling -numerous. So there you are.
Cattle Egrets have perfected that smudgy look. Breeding in Northern Japan and wintering in the Phillippines, some seem to take a migratory rest stop (and slight deviation) at the Shanghai coast. ” This is probably an Eastern Crowned Warbler. But do we really care? ” Hm.
Habitat destruction combined with hunting has pushed them away from their former breeding grounds. In breeding season grazing cattle may walk through the nest, breaking the eggs, while wild and domestic pigs may eat both eggs and chicks. What treats do they face? And the main obstacle for the counters will be mud.
Due to heavy rains many clutches of Great Crested Grebes had failed, but we observed both nests with eggs (and left the area immediately) and adults with chicks, some of them piggy-backing their mothers.
One of the threats to the Blood Pheasant comes from overgrazing by cattle. During incubation, the females typically leave the eggs once per day for a duration of about 7 hours ( source ), during which the temperature of the eggs drops to below 10 degrees Celsius for a few hours.
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.
If a genetically engineered animal’s legs periodically fell off, would not its legs be more like a product of an animal (analogous to eggs) than a part of the animal? These people abstain from eggs and dairy products the production of which involves suffering for the animals. Would the blood be analogous to milk or eggs?
The fields near the Tiaozini mudflats look very much like a lunar landscape, but this does not seem to keep a number of species from breeding there, sometimes directly on dirt roads. But now back to birds … Little Ringed Plovers also seem to like to breed directly on the road. Blandness sells. Also available as a set of two.
I should have known that birding High Island meant I would be 20 minutes away from a place where hundreds of thousands of shorebirds and waterbirds rest, feed, breed, and generally have a good time. I love American Avocets and I rarely see them in such marvelous breeding plumage, so I was in heaven. Clapper Rail. Back to the Flats.
Image by Adam Riley Of the 115 African species now listed as Endangered or Critically Endangered, nearly half occur on the islands surrounding Africa or are non-breeding migrants to Africa. In this blogpost I will discuss ten of the 60 endangered species that are resident on the African continent.
Fortunately, there are a few more such breeding species than most Shanghainese are aware of. While the HBW states that it breeds at 300 – 2450 meters, in Shanghai – where such elevations are not available outside of the upper floors of a few highrises – it makes to with an altitude of about 0 meters as well.
Around this time of the year, the first few waders are back in Shanghai from their breeding grounds far further up north. Generally, being back here early is not a very good sign – it may indicate a failed breeding attempt, as suggested for Asian Dowitchers in a paper on their presence in Lianyungang somewhat further north of Shanghai.
Each year tens of thousands of these gulls go to the islands and each pair will lay three eggs. Most of these clutches of eggs will hatch to produce three fluffy and adorable chicks. By way of an example take the Western Gulls that I studied on the Farallon Islands in California. Western Gull chick.
During the breeding season, some Cattle Egrets look like teenage girls who have just discovered the existence of make-up, and consequently massively overdo it. But what do I know about the taste preferences of Cattle Egrets. It is probably all downhill from here. What’s next? Identification of subspecies?
Sadly, they no longer breed in Algeria, while in Turkey no free-flying birds remain. (In Storks, Ibises and Spoonbills of the World states that “disturbance by local people, tourists, and egg and zoo collectors has similarly reduced the colonies, and more protection is vital”. In 1890 an estimated 3,000 pairs nested in Birecik.)
It is kind of rare to see a Fairy Pitta during Shanghai’s spring migration as those passing through are all adults rather than inexperienced chicks, and they are in a rush getting to their breeding grounds – but I was lucky. This should not be a problem in Shanghai as the pitta has not been reported to breed here.
I have written about the interesting sex life of these jacanas a few times already (short version: female mates with male, lays a bunch of eggs for him to incubate and raise the chicks, leaves him, finds another male, repeat). Apparently, after a male first mates with a female, he throws out the first one or two eggs she lays in their nest.
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