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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. However, the news was very sad.
It’s a bang-up breeding year for super-endangered birds! The species, which migrates from the Russian Arctic to Southeast Asia, is down to about 200 breeding pairs in the wild, due to habitat loss and poaching. For the past several years, getting the birds to breed has been an exercise in futility. Both photos by the WWT).
Non-breeding Pied Oystercatchers join flocks either to the north or south of Gantheaume Point. They do not attempt to breed for about seven years. There are still newly laid clutches of Pied Oystercatcher eggs on the northern section of Cable Beach , so there is hope still of more survivals.
Also, Grebes share two characteristics that end up being bad news given the state of the planet we are in. Some of the lakes they breed on have been stocked with salmon and trout. And, the Mink are capable of wiping out large portions of a breeding colony in a short period.
The falcons’ low-point was 1963, when only three breeding pairs were known in southern England, and only 13% of Welsh eyries were occupied. Peregrines don’t build nests of their own, but do like to make a scrape in which they can lay their eggs. The peregrine’s comeback was due to protection and the birds’ own powers of recovery.
It has been a few years since I could share some good news about the Pied Oystercatchers breeding along the coast near Broome. Hopefully you won’t mind me writing a bit more this year about Pied Oystercatchers during the breeding season! The two eggs normally hatch at least a day apart and sometimes longer.
The breeding season is longer, starts earlier. But, getting the nest set up, amorous acitivites, the laying and hatching of the egg, all that, happens earlier. “Many long-distance migrants arrive so late on the breeding grounds that they have little opportunity to respond to warming conditions by nesting earlier.”
This year is the eighteenth year since we discovered our first Pied Oystercatcher nest on Cable Beach in Broome and it didn’t take us long to realise that they are not at all successful at raising young due to egg and chick predation. Each year we hope for anther success, but so far it has not happened. Pied Oystercatcher nest.
Although I was going to tell you more about our trip away after introducing you to Burra Rock Conservation Reserve last week there has been some interesting news in Broome! Traditionally since 2000 we have encountered our first Pied Oystercatcher eggs in the first week of July, but this year one pair have decided to start laying eggs early!
Instead, we’ve got other bird news to cheer us up (or at least take our minds off avian’s inexplicable inability to capture U.S. contemplating the pretty blue eggs are American Robins are soon to lay is a good coping strategy.). Let us no more speak of this week’s extraordinary failure by a cast of Falcons to finish off their prey.
I was discussing this with my birder/photographer friend Ardith, who HAS seen every Penguin species in the world, and she sent me news about the publication of Around the World For Penguins: Where to see all the 18 penguin species by Otto Plantema. The full-length species accounts are not repeated.
She also monitors Pied Oystercatchers breeding along a 23km stretch of beach by bicycle and on foot. Speaking of pregnant snakes, do sea snakes lay their eggs ashore like sea turtles or do they keep them internally until the young are ready to hatch/ be born, like some sharks? It seems like there is great diversity in this continent.
Using ministerial connections he obtained 100 mallard eggs from the US and began to breed and distribute them. It was the year that I attended the Ornithological Society of New Zealand’s conference in Kaikoura. The news wasn’t good. Female Mallard, photo by Corey. It just hadn’t happened yet.
Scientists were largely limited to studies birds in breeding colonies, at least those we knew about and that were accessible (and, if you think that’s a complete list, you haven’t read the news that came out this week about a new colony of Adélie penguins found in the Danger Islands, Antarctica).
It applies to breeding pigs, egg laying hens and veal calves. Proposition 2 ends the practice of confining certain animals raised for food in crates and cages so small the animals can barely move. Prop 2 requires that factory farms provide enough space for animals to stand up, turn around and extend their limbs.
The next thing is starting the computer to check the news. And the first news web site is… eBird. They do not breed, only winter here! Widespread across northern regions of northern hemisphere, they breed in Arctic-Alpine forest zone. And the new nest. And the “regular” news sites? And the island.
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.
You’d be lucky today to find even a pair in Hungary, while according to the European Breeding Atlas 2 , it “has almost completely disappeared from S, central and W Italy, Switzerland, Norway and W Austria”. I guessed that his mate was close by, incubating her eggs.
A lovely looking and distinctive sounding bird (so they say, I sadly have not seen one…yet), the Kirtland’s Warbler can only be found during its breeding season in Jack Pine forests 5 to 20 years old in the northern Lower Peninsula of Michigan. The good news is, the fight to save the warbler has been successful.
As I watched, it slowly moved into a patch of dried vegetation and I noticed that it was settling over a single egg. Two or three eggs may be laid and either bird may incubate. Sondra Mar 22nd, 2011 at 6:29 pm AN excellent series and how COOL to see the egg–chicks will soon be in the picture! I am around to learn more.
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. There has been growth in the breeding population at the colonies in Morocco (now estimated at 106 breeding pairs and approximately 500 birds in total).
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. BP officials reacted to this alarming news by demanding that it be kept secret. The babies that hatched from these eggs were released on Florida’s east coast.
According to Tim Low (in “Where Song began”), “so easy were they to breed that by 1859 they cost less to buy in London than in Sydney.” ” Funny how the difficulty of breeding a species can be illustrated in simple monetary terms. Is it offensive to say that Australian Zebra Finches breed like rabbits?
” This illustration from The Illustrated Sporting and Dramatic News (July 1875), drawn by Smith Bennett, is included in both The Passenger Pigeon and A Message From Martha. How many eggs did a pigeon lay? Or the destruction of the forests, food source and breeding grounds. How many times did it nest?
In April 2009, unseasonably cold weather froze two whopping crane eggs. They were a part of the zoo’s breeding program for the rare birds. Incidents include a hippo who died in transport from Denver and a Turkmenian markhor, a species of wild goat, hung itself at the zoo after becoming trapped by a rope.
When these birds breed, this can lead to highly cringeworthy announcements, for example from Adelaide Zoo : “We have egg-citing news!” Breeding pairs form exclusive social bonds, yet each partner will still mate with other individuals.” It seems that quite a few zoos keep Tawny Frogmouths.
Unfortunately, the Ashy Drongos did not exactly do what he predicted that they would do – mob potential predators more frequently during the breeding season and mob the more dangerous predator (in this case, the Black Eagle) more intensely. If you do not want to be put in a cage, it presumably helps to be a bit aggressive.
Breeding behaviour and plumage was very apparent, but John Wise , an ex-pat Brit now resident in Orlando, told me that the birds’ activities had been held up for a couple of weeks during a cold snap that saw frosts in Florida. Boat-tailed Grackles count eggs and chicks as part of their diet and they were well represented here today.
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