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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?
Fish and Wildlife Service has listed the “Rufa” population of Red Knot ( Calidris canutus rufa ) as a threatened species under the Endangered Species Act (ESA). The other sub-species, Calidris canutus roselaari , migrates along the Pacific Coast and breeds in Alaska and the Wrangel Island in Russia. Photo: Ron Knight.
These lands support countless birds, either year-round, as migratory stopovers, or as breeding grounds. For example, the federal government owns less than 1% in Connecticut but nearly 80% in Nevada. BLM land is particularly important for conservation of the Greater Sage-Grouse and other sageland species.
It is that time of year again when we start to see the shorebirds around Broome change into their beautiful breeding plumage. The header above is of several species of shorebirds on Reddell Beach. The Pacific Golden Plover are a good example of this. There are a number of shorebird species here for you to identify!
Birders normally care about species and make species lists, how do families fit into those? Adding more species brings a lot of excitement, as long as you bird your own country or a continent. 11,000 species require lots of money and a good portion of one’s life. That gamble is rigged, so the house always wins.
You can’t say the same about migration: you can’t say that every book about birds is necessarily about migration, for the simple reason that only about 4,000 bird species migrate (with some 1,800 of those traveling long distances). (Well, purely physical attributes play a part, too: they’re pretty good looking.).
Many escapes and introductions have taken place over the years and some species have found the warm, dry climate to their liking. Quite a few species are well-established and breeding from San Diego to Los Angeles and beyond. In particular, subsection iii seems to be the hurdle that most species can’t clear.
Over the next few days, the Alpine Accentors ( Prunella collaris ) will arrive on their high-Alpine breeding grounds – it is time to start singing, despite that the treeless Alpine landscape is still under metres of snow. all Alpine Accetor photos digiscoped (c) Dale Forbes. all Alpine Accetor photos digiscoped (c) Dale Forbes.
It is also known for the 500 exotic species of animals and plants that now call the Sunshine State home. Exotic species are animals that did not historically occur in Florida. One such species is the familiar mallard (Anas platyrhynchos). The New Zealand Grey Duck is nearly extinct as species. What Is Being Done?
The least common species of hummingbird I see here is the Calliope Hummingbird ( Stellula calliope ). To see the best example of this phenomenon, check out Wally Rufous’ photo here. She will begin breeding in April. She is the latest of our local breeders, not nesting usually until mid-May. www.youtube.com/watch?
Insects and a host of other invertebrate life have evolved with these plant species, and thus depend on them. The latter figure very significant when you remember that many breeding passerines depend on the humble caterpillar to feed themselves and their offspring. Locally native plants are the base part of the local ecology.
There I found a study which showed that the ingenious little birds had found a protein source that allowed them to coincide their breeding with times of man-made, rather than natural seasonal abundance. For example, the Nutmeg Munia, Lonchura punctulata , has managed to maintain a presence in California and Florida for some years.
For example, the platform overlooking the heronry – initially, there were no benches (nor in any other of their hides), so I commented to the provincial Secretary for the environment (he is a birder and I know him personally) and he forwarded those suggestions to the reserve management.
My target at the start of the year was 200 species in the UK and 300 in Europe, so I’ve achieved the latter, while the chances of reaching the former are pretty good. That trip was fun, as it reminded me of the delights of watching birds like Golden Plover and even Meadow Pipit on their breeding grounds.
Terns of North America covers 19 species of terns, noddies, and skimmers that breed and are regular vagrants in the United States and Canada (like many books titled “North America” the geographical coverage stops at the northern end of the Mexico border). .” Note that these are not all species accounts!
Before my first trip to the tropics many years ago I always wondered how is it even possible that new bird species are discovered with all the deforestation and general habitat obliteration going on all over the world. I mean, we as a species are today basically everywhere. But still new species are found.
Of course Africa could not to be left out of the pink weekend so I have researched all African species whose official or alternative names include the word “pink”. Great White Pelicans showing the pink flush of breeding plumage. Another not very pink species is the Pink-footed Puffback. Pink-throated Twinspot.
For example, when Corey gets the thrill of seeing a Black-throated Gray Warbler in Queens County, New York, he can be almost 100% sure that he is seeing a one-time vagrant, and not a previously undiscovered population. These are only a few examples of the many I could mention. They were probably not preparing to go south.
Of course, the California Condor is listed as “endangered” under the Endangered Species Act (ESA) and it has been famously subject to some of the most ambitious conservation efforts (including litigation ) ever undertaken for a bird. One management tool used by FWS is reintroduction of an endangered species into its former range.
Even better, just a few meters away from the food vendors, it is not too crowded, and the palm trees attract a number of birds, including two species of parrots. That is mainly the Philippines, as indicated by the species name lucionensis (Luzon is the Philippines’ biggest island). The first one is the Blue-naped Parrot.
Black Drongos must be breeding here – this juvenile was terrorizing his parents with constant calls for food. For example, one cat is named “damao” (“big cat” in Chinese) while another was named “xiaomao” (“little cat”). Black-tailed Gulls , I think.
, I noticed that many birds had moved from setting up territories and breeding to feeding chicks, I thought it would be worth sharing some more observations. Although I once saw a group of Barn Swallows pass overhead a few weeks earlier, these birds were clearly on passage only as there was no sign of this species since.
One such example is “pewee” Pewee sounds like something small, something seemingly insignificant but with a certain degree of charm. In Costa Rica, we have our pewees, 6 species of them. A common bird of hot, tropical habitats, it is very much an edge species. This appropriately named bird is just what its name says.
Africa has more than its fair share of storks, with 8 of the world’s 19 species gracing the continent. Storks are typically viewed as wetland species and whilst some storks are restricted to aquatic habitats, others are not. This is another wetland species that nests in sometimes huge colonies atop trees bordering rivers and lakes.
Our big month of bird movements in Costa Rica, the 10th month of the year, is when most of the swallows, Scarlet Tanagers , thrushes, and other species on the South American express push through. How do they compete with resident species? In October, it’s what’s happening in Costa Rica. What do they eat?
Many species that are currently common may stay that way, and some species will likely increase…and hopefully species besides House Sparrows , European Starlings , Rock Pigeons and Eurasian Collared-Doves , which those in North America know as the four avian horsemen of the apocalypse.
Wildlife conservation is concerned with protecting wildlife at the level of species or perhaps population. With the exception of species that number in the hundreds, conservation biologists are not as concerned with the fates of individual animals, it is only when such fates of many individuals are added up do they begin to worry.
This sort of biozone mixing can create a tremendous richness of species. Each of these habitats attracts its own group of species. Blue-black Grassquits , for example, depend entirely on the brushy grassland shown above. Among those are Sulphur-bellied Flycatchers , a species I love. This one was a true lifer for me.
The Ochraceous Bulbul looks similar to the Puff-throated Bulbul, with which it shares a genus – the similarity made one of my travel companions doubt the whole framework of species distinctions. Paul Conrad (1836-1885), a German naturalist in the East Indies, after which the species is named ( Pycnonotus conradi ).
Oriental Plovers Charadrius veredus are a species of shorebird that we see in varying numbers around Broome and they may be on the beach, feeding on insects across the plains or at the ephemeral lakes. Here is an example of a roost site along Eighty Mile Beach to the south of Broome in February.
Here are some things I’ve learned from the Peterson Reference Guide to Owls of North America and the Caribbean by Scott Weidensaul: The Burrowing Owl is the only North American owl species where the male is larger than the female, albeit, only slightly larger. The 39 owls include five endemic Caribbean species.
When songbirds endeavor to head hundreds or thousands of miles south they are risking everything in order to find a place that they can winter and hopefully survive in order to head back north and breed. Another recent visit to Kissena Corridor Park in central Queens provided a couple of more examples.
Originally considered monotypic, two species are now recognized. Drakensberg (or Orange-breasted) Rockjumper is a Drakensberg Mountain species whose range is shared with the tiny landlocked kingdom of Lesotho. Males of this species are more brightly colored in their non-breeding winter plumage. the Rockjumpers.
Seychelles’ small landmass combined with geographic isolation results in few species. For example, the main islands are the world’s only granitic ocean islands and at 750M years of age are also the world’s oldest ocean islands. That antiquity produces a high level of endemism, e.g. 19% of 62 breeding birds are endemic to the islands!
While these birds are very much liked by Chinese birders, the species could unfortunately not be named the National Bird of China as the Latin species name of the bird is Grus Japonicus. It is not quite clear why they do this as it apparently does not affect breeding success. A nice example of gender equality of sorts.
Counting the Birds I was in my teens when I undertook my first bird-survey: it was field work for the British Trust for Ornithology’s The Atlas of Breeding Birds in Britain and Ireland. The breeding and wintering birds of Britain and Ireland. I didn’t, for example, see a single Fieldfare anywhere.
I pointed at the bird shown below but he insisted it could not be that species – no long tail … For people of a certain age, gender and background, at some point The Smiths were the most important band in the world. Other species, such as this juvenile Light-vented Bulbul , seem to have more ambiguous feelings about molting.
Even the Latin species name soror (“sister”) indicates the similarity to another pitta species (blue-naped). The eBird description of the Small Niltava starts with the surprisingly dull statement that “size distinguishes this species from other niltavas” Who would have thought.
pounds) heavy Colombia field guide with its 1900+ species. And that became heavier with each passing day… On the other hand, Europe’s Birds cover less than half of that number – 900+ species and a softback weighs 1.4 For example, many photos are shot in poor light, obscuring the true colours.
Similarly, the Alpine Leaf Warbler is one of the more attractive species in an otherwise almost indistinguishable family of identical leaf warblers. (“But the difference in wing bars, Kai!”). For some reason, the HBW specifically mentions that this species also breeds in a city park in Pyongyang, the capital of North Korea.
But, to paraphrase Monty Python, every species is sacred. Conservation of migratory species must be an international affair. No matter how much we do to protect the breeding grounds of Neotropical migrants, we can’t assure the safety of those species that lose essential wintering habitat.
For, in birder lingo, a split occurs when subspecies are determined to be, in fact, entirely separate species. If you happen to have seen both species, your life list can increase without you even leaving the house. Two former species can also be joined into one, the same way. And there was great rejoicing thoughout the land!)
Just last year, 5 new bird species and 5 new subspecies were discovered in a few short weeks of fieldwork on the islands of Taliabu, Peleng and Batudaka. In recent years Indonesia has been competing with the Andes as the region giving rise to the biggest number of undescribed bird species (naturally, all of them endemics).
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