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Other species have certainly expanded their ranges, but never in such a rapid and global scale. I’d like to introduce you to a diminutive heron, the Cattle Egret Bubuclus ibis. The Cattle Egret is native to Africa, where it is a familiar sight among herds of large mammals. a Cattle Egret in Brooklyn.
This species loves to sing while high up in pine trees. There was the Botteri’s Sparrow giving a larger Canyon Towhee a piece of its mind, on my way into town: The reservoir itself was underwhelming, only offering me a collection of white Egrets (Cattle, Snowy and Great) and a single Great Blue Heron. Brown-backed Solitaire.
It has no avian endemic species (only one subspecies), and its most spectacular birds like Venezuelan Troupial and Fiery-Topaz Hummingbird can be found in greater numbers across a narrow strait in mainland SouthAmerica, where you can pick up an additional 400-500 species besides. Not that I can blame them. Of course not.
but there are other birds, many stopping to stay, many others moving to SouthAmerica. At the moment, night excursions to Poas are limited by pandemic driving restrictions but I can still surmise about the species flying overhead. In Costa Rica, a lot of those birds fly right overhead. Cuckoos are up There. Scarlet Tanagers.
So on January 1st, or as close to it as I can get, I always head a half hour north to the one site of mine that offers more species than any other: Lago de Cuitzeo (Cuitzeo Lake). This lake is always good for some 50-60 species, even during the three months or so of summer when no migratory species can be expected.
Have you ever enjoyed one of those brilliant birding expeditions, the outing where every target species takes its cue with machine precision? The lush pastures of the Aripo Livestock Station sustained herds of happy Buffalypso , a special breed of T&T beef cattle named for their Water Buffalo heritage and Calypso-happy country.
From there, we entered a side tributary full of Ringed and Amazon Kingfishers , with Chestnut-fronted and Scarlet Macaws in flight… and then the noise: groans, croaks and grunts… and the smell… of this 65 million years old species, so old that the last dinosaurs must have fed on them! Black-collared Swallow by Tyler Ficker.
We remember starlings not skylarks, House Sparrows not Eurasian Tree Sparrows , Cattle Egrets not… well, whatever we’ve forgotten because it didn’t do as well as the Cattle Egrets. Especially of all the species that had been introduced to the US. And after all, some birds have to expand their range sometimes.
The proximity of both slopes also facilitates seeing a lot of different species in a short span because the montane barrier has resulted in differences in terms of species and habitats. But, if you want to go further afield, fear not, there is some wonderful lowland forest birding up near Nicaragua and down south by Panama as well.
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.
For many grassland species, our vast expanses of tilled and plowed fields, orchards and vineyards, pastures and rangeland offer an abundance of convenient food and shelter – and some bolder birds even wander indoors to find these things in our barns and stables. For most of history, beer has thrived in agrarian settings, too.
Another example of its staggering wealth is the fact that the 22,000 hectare Table Mountain National Park situated within the city of Cape Town has more plant species than the whole of the British Isles or New Zealand! An indication of its floral wealth is that this region covers a mere 0.5%
Found throughout SouthAmerica in ever-dwindling numbers these extremely beautiful birds – threatened by habitat destruction and collection for the wild bird trade – are often difficult to see and hard to find. These threats are further exacerbated by the naturally low reproductive rates of these cavity-nesting birds.
146 shared checklists (an increase on last year’s 97, well done chaps) noted 664 species (ooooh, down on 826 from last February) and brought the yearly total to 1063 (1303 at this time in 2016, ouch!). Cattle Egret – Bubulcus ibis. Airport Mangroves. 01 Jan 2017. Tricolored Heron – Egretta tricolor. Airport Mangroves.
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