THE ‘ABACO’ PARROTS OF NASSAU REVISITED


Cuban (Abaco) Parrot, Nassau (Lynn Gape BNT)

THE ‘ABACO’ PARROTS OF NASSAU REVISITED

A while back I wrote a post about the mysterious population of Cuban parrots in Nassau. The mysteries being, how and when did they get there; and how and especially why is the population slowly increasing when there is scant evidence of nests, fledglings or juveniles; and no equivalent secluded location for cave-nesting, as the Abaco parrots do in the limestone holes in the Abaco National Park.

STOP PRESS Melissa Maura comments “I was brought a wounded juvenile years ago, and raised and successfully released it here along with a wild flock of 5 or 6. They ARE nesting in the odd large tree cavity in undisclosed parts of Nassau. I’m pretty certain the original pair escaped from a cage within the garden of people associated with the BNT many years ago. They may have been re-habilitated youngsters, originally requiring human help. At any rate our precious birdies are thriving – along with the odd impostor!”

Cuban (Abaco) Parrot, Nassau (Lynn Gape BNT)

I won’t expound the theories again – if you are interested you can check out the original article HERE. You’ll find I have since incorporated quite a few very informative comments that were made in response, touching on the above mysteries but with differing theories.

Cuban (Abaco) Parrot, Nassau (Lynn Gape BNT)

HOW BIG IS THE NASSAU POPULATION?

In the summer, when I last researched this, the maximum reported number was about a dozen. It’s not clear whether those were all seen at the same time – obviously an important evidential factor, since it precludes double counting. It has now become clear that there are a minimum of 15 birds, because recently a flock of 15 were all sighted together. As I added to the previous post:

STOP PRESS On 6 October 2016 New Providence was in the direct path of Hurricane Matthew. Despite the power of the storm, by the following day there was a report of a sighting in Nassau. Today, 9 October, comes a report of a group of 15 – as far as I am aware the highest number sighted together. Maybe they all came together for solidarity… In any event, the sighting confirms that, at least as far as the parrots are concerned, the hurricane has not caused any problems.

Posing prettily for photos – though maybe a bit ‘snooty supermodel whatevah’ in the second…Cuban (Abaco) Parrot, Nassau (Lynn Gape BNT)Cuban (Abaco) Parrot, Nassau (Lynn Gape BNT)

The photos in this post were all taken in the last couple of days by Nassau Resident Lynn Gape, of the BAHAMAS NATIONAL TRUST. Some of them show very clearly the bright blue on the wings of these lovely birds – a colour that is much more evident in flight.

Cuban (Abaco) Parrot, Nassau (Lynn Gape BNT)

You can keep track of the Nassau parrots on a dedicated Facebook page BAHAMA PARROTS OF NASSAU LOCATOR. This is a well-used resource, with many local people adding their sightings (in some cases, just the ‘hearings’) of these lovely (but raucous) birds. From the reports I was able to draw up a rough map for the main area of sightings (red oval), and the hotspot from which most reports are made (orange oval). There are outliers, of course, mainly to the south.

Nassau Parrot Locator Hotspot Map (Keith Salvesen)

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Like all  parrot species, Cuban parrots are gregarious. And the more that are gathered together, the louder the party. And other psittacine species are happy to get in on the act. The image below and image #2 above show a black-headed parakeet mixed in with the parrots. I’ve seen earlier photos where he is hanging out with them. There seems to be no animosity between the species.

Cuban (Abaco) Parrot, Nassau (Lynn Gape BNT)

So there we have it. The population is rising and there is no definitive explanation. Releases of captive birds are unlikely, since these parrots are now a protected species. The smart money must, I think, be on a the colony nesting in tree holes somewhere secluded. Parrot awareness has greatly increased on New Providence, and no doubt the issue will eventually be resolved. But in many ways I rather hope it remains a mystery.

Cuban (Abaco) Parrot, Nassau (Lynn Gape BNT) 

USEFUL LINKS

NASSAU PARROTS PART 1

NASSAU PARROT LOCATOR

BNT PARROT FACT SHEET

ABACO PARROTS

Credits: All fantastic fotos by Lynn Gape. Props to the Bahama Parrots of Nassau Locator

My love life is a riddle wrapped in a mystery inside an enigma…Cuban (Abaco) Parrot, Nassau (Lynn Gape BNT)

SHEARWATERS ON ABACO: SAD TALES FROM THE SEA


GREAT SHEARWATER Puffinus gravis (Patrick Coin Wiki)

SHEARWATERS ON ABACO: SAD TALES FROM THE SEA

We do not generally do sad or sombre at Rolling Harbour. It’s a beautiful and happy place, and the Delphi Club is a haven of good fellowship and good craic (stemming no doubt from its Irish connections). But I have to report on a sad occurrence on the beach at Delphi and, as it turns out, at many other Abaco locations (and beyond) during June – a notable number of shearwaters being found dying or dead on beaches or else in the sea, their bodies in due course being washed in on the tide.

There are quite a few species of shearwater worldwide, of which 5 are recorded for Abaco. The only permanent breeding resident is the Audubon’s Shearwater, a bird that is quite commonly seen out at sea though not, I imagine, on land. We never managed to obtain a photo of one for “The Birds of Abaco”. I presume there are breeding colonies on Abaco, but not that I have heard about.

Shearwater Checklist, Abaco

As the checklist above shows, three of the other shearwaters are rare transients. These birds fly long migration routes over the ocean and so the casual birder is in practice unlikely to encounter one, let alone get a photograph. The Manx can be ignored as an aberration – the V5 means that one or two vagrant individuals have been recorded since (say) 1950. Great Shearwater Puffinus gravis - Patrick Coin Wiki

My first inkling that something unusual was occurring came a week ago from a FB post by Melissa Maura, whose wonderful parrot and flamingo photos feature elsewhere in these pages. She said …on my rugged Abaco ocean beach last week, were many dead magnificent seabirds – greater shearwaters (about 5) and a couple of Frigate birds… They didn’t appear to wash in on the waves, but appeared to have perished perhaps from exhaustion on the beach”.  Various later comments suggested that this phenomenon had been noted periodically in the past, the last time 4 or 5 years ago. 

Great Shearwater (dec'), Abaco (Melissa Maura)

This was followed a couple of days later by evidence from well-known birding maestro Woody Bracey that living great shearwaters were in Abaco waters, perhaps confirming that they are in mid-migration at the moment. The one in #2 was “caught” 3 miles off Great Guana Cay.

Great Shearwater Abaco (Woody Bracey)Great Shearwater, Abaco boated (Woody Bracey)

Then a couple of days ago Jane Mantle emailed me with photos of some dead birds on the beach at Delphi saying that half- dead birds are washing up on the beach ‘only for the vultures to finish off’.  We must have over 20 with more to come”. I circulated these to the ‘usual suspects’ for ID and comment.

Great Shearwater, Abaco (dec'd) (Jane Mantle)Great Shearwater, Abaco (dec'd) (Jane Mantle)

I also posted the photos on my RH FB to see if others had seen anything similar. Many thanks to all those who ‘liked’, shared or commented on the post. Here is a summary of the responses, from which a pretty clear picture emerges of widespread recent shearwater deaths on Abaco mainland and Cays.

  • Delphi Club Beach – 20 plus
  • Bahama Palm Shores – ‘many many’ dead birds washed up on the shore
  • Casuarina Beach – 1
  • Cherokee (Watching Bay) – 3 or 4
  • Cherokee (Winding Bay) – 4
  • Marsh Harbour area – about 5
  • Great Guana Cay, southern end   – 1 (possibly a gull)
  • Tilloo Cay – 13 at least on Junk Beach, more than ever seen (see photos below)
  • Elbow Cay – 2 + 1 Atlantic side beach near Abaco Inn
  • Elbow Cay – 2, North End
  • Green Turtle Cay beach – 2
  • Green Turtle Cay, offshore – “a lot in the water”
  • Man-o-War Cay – 1 by the roadside
  • Ocean 20m from HT Lighthouse – 2 in the sea

also Exuma Sound (5 birds), Briland Beach Harbour Island (“some”) and Shroud Cay (gull?”)

SIGHTINGS MAP, ABACO AS AT 09.00 JUNE 25 (2X click to enlarge)
Shearwater Map, Abaco

Shearwaters at Tilloo Cay (Janie Thompson)

Great Shearwater (dec'd) Tilloo Cay Abaco988563_780040245445527_87776362163085216_n10429826_780040222112196_5624095942981629125_n

Shearwaters on Elbow Cay (Rudolf Verspoor)

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WHAT SORT OF SHEARWATERS ARE THESE?

In the main it looks and sounds as though these are migrating great shearwaters. Woody Bracey has identified several dead birds as ‘greats’ from photos, and one as an alive Cory’s shearwater swimming in the sea off the Delphi Beach. ID is not easy, and a few of the birds found may be gulls. It’s possible that there are some Audubon’s shearwaters among the stricken birds, although since they are resident to Abaco that would go against the theory of an exhausted migratory species that has been blown of course en masse.

Great Shearwater Puffinus gravis (JJ Harrison Wiki)

WHAT DO THE EXPERTS THINK?

There are a few obvious contenders for the solution to the riddle of the shearwaters, ranging from the frontrunner migration exhaustion to disease and trash ingestion. The evidence of mass deaths over a wide geographical area during a short time probably rules out trash ingestion – although I’m sure the poor creatures must have plenty of plastic bits inside them. Mass disease striking suddenly over one area is seems unlikely. Once those two possibilities are ruled out, the primary cause, covering most instances of the sad and upsetting phenomenon, becomes clearer.

Lynn Gape of BNT posted the view of William Mackin, a seabird biologist who looked at some of the photos and wrote “The five birds look like greater shearwaters. They breed at Gough Island in the South Atlantic. The young begin life by flying 10000 miles to Newfoundland in the North Atlantic. Some do not make it. They wash up on eastern US and Bahamian beaches. It is sad. We should monitor the numbers. The frequency is variable but possibly increasing.”

Tony White, the omniscient Recorder of Bahamas Birds and compiler of the comprehensive and authoritative checklist for the area, writes: 

“The dead birds on the beach (and in the water) is a phenomenon that happens every five to ten years. According to the late Dave Lee these are young Great Shearwaters migrating from their natal home in the South Atlantic to their feeding grounds off the US and Canada, Combination of poor food supply and wind conditions in the doldrums lead to their expending all their energy and expiring. It is a normal event for this species and has been recorded many times The Great Shearwater population appears to weather the bad years and do well in the good years. Relevant articles are: Lee, D.S. 2009. Mass die-offs of Greater Shearwater in the Western North Atlantic: Effects of weather patterns on mortality of a trans-equatorial migrant. Chat 73(2):37; Seabird Ecological Assessment Network. 2007. Greater Shearwater Die-off in the Atlantic: June-July 2007. Volunteer Newsletter 3(2):2; and Watson, George. 1970. A Shearwater Mortality on the Atlantic Coast.  Atlantic Naturalist 25(2):75-80.

Woody Bracey has now left an informative and perceptive comment: “It’s amazing how far(10,000 miles) these young birds have to travel to their feeding grounds so soon after being fledged. Breeding colonies are on isolated subantarctic islands of the southern hemisphere. Breeding begins in October. Incubation of the single egg lasts 55 days and it is another 105 days until the chick is ready to fly. Each loss of a bird represents much time and effort of a pair to produce a single chick which then has to fly the gauntlet through the windless, often foodless doldrums to reach its northern feeding grounds. So many hazards, so few birds! It’s sad to witness these die-offs but the species still survives. Global warming cannot be helping this species on its journey to the colder, nutrient rich more northern briny destinatioin. Lets stop setting our dumps and forests on fire here in the Abacos. Eventually it will not only affect the Great Shearwaters but us as well”.

I should add that it is reassuring to be able to confirm that, at least at present, the great shearwater is IUCN-listed “Least Concern”

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Great Shearwater in flight (Hardaker)

Tony has asked for all available information Bahamas-wide: “It would be very useful if someone could collect some hard data on the die-off, e.g. when was it first noted and how many birds are found along a given stretch of beach? Check for other species and take a few wings as samples of the desiccated birds. In past events the number of dead birds was much greater on Crooked and Acklin Islands than Abaco. Eleuthera too should be checked if possible”.

Lynn has also asked “Please photograph and count birds found on your beaches and send images and the number counted to me at lgape@bnt.bs. We will send on to William Mackin and Tony White who are keeping records of these occurrences The image with this post is a Greater Shearwater in flight…” (see above, as we would all like to think of these magnificent birds)

Or by all means contact me at rollingharbour.delphi@gmail.com and I’ll pass on any info

STOP PRESS An update to this post written the following week, detailing new sightings and reporting the passing of a sad fortnight of shearwater fatalities in the Bahamas, can be found HERE

A happier great shearwater image to leave you with…
Great Shearwater (Dick Daniels, Wiki)
Credits and thanks to Woody Bracey, Melissa Maura, Lynn Gape, Jane Mantle, William Mackin, Patrick Coin, J J Harrison, Dick Daniels, Norvell Slezycki, Lory Kenyon, Selah Vie, Lindsey Delaphine McCoy, Turtle Cove Tilloo, Janie Thompson, Rudolf Verspoor, Laurie Schreiner, Caroline Woodson Sawyer, Steph Russell, Ashley L. Albury, Dwayne Wallas, Sully Vincent T Sullivan, Ben Albury, Abaco Bulletin, Carol Rivard Roberts, Jason McIntosh, Dale Sawyer, Barbara Trimmer, Dominique Allen, Jessica Aitken and Juana Rudzki, with apologies to anyone else who has slipped through the net…