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Hybrids between separate species are rare. But they do spark an interesting and somewhat controversial debate that inevitably leads back to the same old question of what constitutes a species. Suspected hybrids between heron species, whilst extremely rare, have been documented for some time.
This lake, with a surface area of up to 150 square miles in good years, is my go-to site for dozens of waterfowl and shorebird species, so I take its health personally. It is also a vital wintering and migratory site for most of these species, so I imagine they take its health very personally, as well.
The smellier the better, particularly as, unusually for birds, many species can boast a robust sense of smell. In any case, our hang-ups with vultures clearly stem from our own issues rather than any inherently bizarre trait of the species themselves. Vultures famously feed on carrion. Dead things. New World Vultures.
The warm, sunny climate beckons a wide variety of passerines, raptors, and shorebirds to spend the winter, inflating the species diversity to the extent that Miami-Dade can go toe-to-toe with counties in Texas and Arizona during this season. Can we hit 200 ABA-countable species in four days next year? Cattle Egret: 133.
Following passage of the United States Endangered Species Preservation Act of 1966, the California Condor ( Gymnogyps californianus ) was among the first 75 species listed for protection, the so-called “Class of 1967”. Reintroduction efforts expanded to Arizona in 1996, and later, to the Baja California peninsula in Mexico.
beats have still managed to share 82 checklists and accounted for 737 species. Cattle Egret – Bubulcus ibis. Arizona Woodpecker – Dryobates arizonae. The trend at this time of year is a downturn in shared lists and birds reported, nevertheless, 12 (is this a record?) Laguna Lagarto Lodge. 01 Jun 2019.
In publishing the most current thinking, eBird have become the month’s biggest contributor to the life list, expanding it by 7 brand new species and pushing it to 3774. 7 species were added to the life list in the time-honoured fashion of actually identifying the birds in the field. Cattle Egret – Bubulcus ibis.
They submitted 124 checklists for 671 species of bird. In particular 272 species were noted from 14 checklists submitted on October 17th, eBird’s October Big Day. 405 Mexican Whip-poor-will – Antrostomus arizonae. 646 Cattle Egret – Bubulcus ibis. This brings our all-time total to 4040.
8 of them sent 153 lists, noting 645 species of bird across 7 countries (Mexico, UK, USA, Serbia, Australia, Costa Rica, Colombia). It has not resulted in extraordinary numbers of sightings personally, but the beats have been busy on their respective patches and have sent me their lists to collate. The year list finishes at 1628.
The engaged and generous beats ( 10 of them) have shared 188 checklists during January and have accounted for 859 species from 8 countries (USA, Australia, Costa Rica, Brazil, Argentina, UK, New Zealand and Serbia. Cattle Egret – Bubulcus ibis. Arizona Woodpecker – Dryobates arizonae. Alphabetic Taxonomic.
172 lists were shared and 1004 species were seen, both records for October, so well done beats! Airport Golf Course, Ajo, Arizona, US (32.452, -112.85). Airport Golf Course, Ajo, Arizona, US (32.452, -112.85). Airport Golf Course, Ajo, Arizona, US (32.452, -112.85). Airport Golf Course, Ajo, Arizona, US (32.452, -112.85).
April was a busy time for the beats with 10 of them contributing 164 lists to accumulate 744 species from 7 countries; Costa Rica, USA, Australia, Serbia, UK, Brazil and Barbados. Cattle Egret – Bubulcus ibis. Arizona Woodpecker – Dryobates arizonae. Cattle Tyrant – Machetornis rixosa.
978 species were tallied this month from 163 checklists. Only 123 species appear on both sides of the life list. Cattle Egret – Bubulcus ibis. Arizona Woodpecker – Dryobates arizonae. Bajada Washington Trail, Tucson, Arizona, US (32.278, -111.199). Cattle Tyrant – Machetornis rixosa.
The year list ends on a provisional (some beats will be birding ’til the final whistle to try and salvage a ravaged year) 1803 species from 1602 checklists submitted by 12 beats from 16 countries. Imagine that, 13 lists per year where once there were only 12.
In reverse order, the medals were awarded for “most species seen in a country”, to Australia with 420, USA got the silver, scoring 556 while the runaway winner was Costa Rica with 646 species. Mexican Whip-poor-will – Antrostomus arizonae. Cattle Egret – Bubulcus ibis. 07 May 2018. 23 May 2018.
They submitted 144 checklists, noting 628 species adding 72 to the year’s running total bringing it to 1890. Cattle Egret – Bubulcus ibis. Arizona Woodpecker – Picoides arizonae. Cattle Tyrant – Machetornis rixosa. Those are the numbers, here come the birds; Alphabetic Taxonomic.
8 beats shared 126 checklists accounting for 704 species. Mexican Whip-poor-will – Antrostomus arizonae. Cattle Egret – Bubulcus ibis. Arizona Woodpecker – Dryobates arizonae. Cattle Tyrant – Machetornis rixosa. The year and life lists have been pushed to 2214 and 3564 respectively.
During October, 7 countries (Costa Rica, Australia, USA, India, Hong Kong, UK, Serbia) were birded by 11 beats who shared 135 checklists and noted 697 species. Mexican Whip-poor-will – Antrostomus arizonae. Cattle Tyrant – Machetornis rixosa. Cattle Egret – Bubulcus ibis. Alphabetic Taxonomic.
They noted 598 species as a team, bringing the year total to 2118 and pushing the life list to 3555. Mexican Whip-poor-will – Antrostomus arizonae. Cattle Tyrant – Machetornis rixosa. Cattle Egret – Bubulcus ibis. They are hungry, tired and don’t need to be chased. Volcán Toliman. 12 Apr 2018.
Their 185 checklists contained 951 species during April! Cattle Egret – Bubulcus ibis. Mexican Whip-poor-will – Antrostomus arizonae. Cattle Tyrant – Machetornis rixosa. Expanding that for the year so far gives 795 / 1512. Here they all are; Alphabetic Taxonomic. Great Tinamou – Tinamus major.
10 countries were birded by 9 beats and 892 species were noted from 144 checklists. Cattle Egret – Bubulcus ibis. Mexican Whip-poor-will – Antrostomus arizonae. Cattle Tyrant – Machetornis rixosa. Who is going to tell the clans? Does Mel Gibson know? These are they… Alphabetic Taxonomic.
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