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Well, not quite like clockwork, because this year one pair of Pied Oystercatchers on Cable Beach laid their first clutch of eggs a bit earlier than normal. This year the first clutch was laid at the end of May and this is the first time we have had eggs laid in May along Cable Beach since 2000. Pied Oystercatchers feeding alone.
They breed on a number of basaltic lakes in southwestern Argentina, and it is not entirely clear where they all winter, but some wintering Hooded Grebes have been found outside their breeding range (and a few none-breeding birds have been found year round at two locations on the Atlantic, apparently).
A breeding bird atlas is a special kind of book. For the nature lovers and birders who participate in breeding bird surveys, the atlas represents hours, often hundreds of hours, of volunteer time spent within a community of citizen scientists doing what they love, observing birds. So, what exactly does a breeding bird atlas contain?
It has been twelve weeks now since the first pair of Pied Oystercatchers attempted to breed along the stretch of beach that we survey and as with each year there have been setbacks. In theory the eggs are laid, the adults share the incubation of the eggs for 28 days and then fluffy chicks emerge. If only it was that easy!
I have followed the breeding activity of the Pied Oystercatchers in Broome along Cable Beach since July 2000 when I found the first nest site and the birds have continued to use the same territories, though there have been some partner changes. I can also monitor any movement along the coast during the year when they are no longer breeding.
The non-breeding distribution is virtually unknown, although they are suspected to winter in northern South America (Howell and Web 1995). Clutch size, incubation period, time to fledge, and eggs are all undescribed. Until recently the vocalizations of Sinaloa Martin were unknown and known breeding sites are few and far between.
State and Federal Agencies feared that if these two large constrictor snakes are allowed to breed they would produce a hybrid super-python. Burmese pythons either escaped from pet trade breeding facilities in South Florida after Hurricane Andrew or were released by people who no longer wanted them as pets. Rock Python.
A few families have a small number of eggs in the clutches, like gulls or cormorants. Others, like the petrels and some of the auks, will lay a single egg per breeding attempt. The investment placed in each clutch bur seabirds is so great that only one breeding attempt can be seen to completion each year. So why do it?
It didn’t occur to me till I started reading The Falcon Thief: A True Tale of Adventure, Treachery, and the Hunt for the Perfect Bird that there was also a possible threat to the eagle herself: poachers, who steal raptor eggs and chicks. We start with Lendrum being arrested in 2010 at the Birmingham (U.K.) Author Joshua Hammer.
Gujarat, December 2010. Sociable Lapwings breed in several areas along the Kazakhstani – Russian border and overwinter in Iraq, Sudan and northwest India. Target for today: critically endangered Sociable Lapwing ( Vanellus gregarius ). CR being the highest category in the Red List , if I want to see some of those birds, I better hurry!
Egg harvesting to sell as food was intensive then, with thousands taken annually from the breeding colonies in Chile. Egg collection for local consumption still continues at lower scale. The initial decline in the Andean Flamingo’s population appears to have started as early as the mid 20th Century.
Also from BirdLife International: In general it prefers areas where vegetation, boulders or other landscape features at ground level provide tunnels in which to shelter and to breed. Its eggs are not known, it does not migrate, and it feeds, I understand, on insects and worms. Wikimedia Commons: Atlantisia rogersi.
Penguins are flightless, but some species locomote over long distances on antarctic ice to travel between breeding grounds and the sea. They have special adaptations to stay warm and to keep their eggs and chicks warm. Salas-Gismondi, R., Altamirano, A., Shawkey, M., D’Alba, L., Vinther, J., DeVries, T., & Baby, P.
July, as all northern hemisphere birders appreciate, is the month when the egg timer flips and everything starts pouring back out again in a steady stream south. One of Britain’s recent colonisers the Mediterranean Gull begins to arrive in bigger numbers every year as post-breeding dispersal takes hold.
While females hatch from larger eggs and are initially heavier than their brothers, after ten days, the male chicks weigh almost 50% more than their sisters, as they receive a higher quantity and quality of prey from their parents ( source ). Apparently, King Parrot are an Australian grindcore band formed in Melbourne in 2010.
On April 20th 2010, the world received news that eleven men working on the Deepwater Horizon oil rig died in an explosion on the BP-operated Macondo Prospect. April 20, 2010 At 9.45 April 20, 2010 At 9.45 April 22, 2010 After burning for two days the rig sank in 5,000 ft of water, leaving behind a large and growing oil slick.
Egg loss to predation has been extraordinarily bad this year and all of the nests mentioned in the last post were lost and all of the pairs of Pied Oystercatchers laid a new clutch of eggs. In fact they have not just laid once again, but many pairs have laid up to five clutches of eggs this season.
Sunbitterns like to hunt in clear, fast-flowing streams But probably the least known aspect of the Sunbittern’s life history is its breeding and nesting. The buffy pink eggs are tended by both parents and when the young birds emerge from the eggs they are almost never left unattended.
It covers 63 odonate species: 44 breeding species (19 damselfly, 25 dragonfly), and, in a second part of the Species Accounts, 19 vagrant, potential vagrant and former breeding species (5 damselfly, 14 dragonfly). Sections on Behaviour, Breeding Habitat, and Population and Conservation offer brief but specific information.
A section in the Appendix, “Rare Shorebird Vagrants,” lists 16 additional species that do not show up annually in North America but who have more than ten records; the list notes where the species breed and where their vagrant paths have taken them within North American borders.
One of the more interesting aspects (in my opinion) of breeding in birds is their mating strategy. In this system, females mate and lay eggs with multiple males over the course of a breeding season, leaving males to incubate the eggs and raise the chicks. of all bird species, is polyandry. 1996, Nakamura 1998).
Even during the breeding season the birds appear to be quite unwary of humans. Richard ffrench died in 2010 at the age of 80. Of course, you then miss out on all the natural history, the nesting data, descriptions of eggs, mating rituals, and ffrench’s personal, affectionate observations of his birds.
The guide covers 747 breeding residents or regular migrants, 29 introduced species, and 160 vagrants, a total of 936 species. Only one species of penguin breeds on the Australian mainland; five additional species breed on sub-Antarctic islands. 2009): Field Guide To Australian Birds, rev.
As 2012 draws to a close we here at 10,000 Birds thought that it would be a great idea if we, like we did in 2010 and 2011 , shared our Best Birds of the Year. Red Junglefowl by Mike Bergin Clare Kines chose an egg as his Best Bird of the Year. Secretive, silent and undetectable outside of its breeding season, found only in the U.S.
This may have been partly a leftover from the Victorian fascination with egg collecting (the infamous passion known as oology), but probably more from people’s burgeoning interest in the nests and eggs found in their gardens and fields, gateway artifacts to a newer hobby called birdwatching. Baicich and Colin J.
Having written weekly for this website since late 2010 and this being my 642nd post I thought I could summarise some of the posts that I have done from various places around Australia that you might have missed over the years. In 2010 I had a very basic camera and I now own a Nikon B500 Coolpix. Echidna-egg laying mammal-500th post.
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