The Spring Season March 1 - May 31, 1989
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The Spring Season March 1 - May 31, 1989 ATLANTIC PROVINCES REGION Blake Maybank " BRUNSWICKSackville..Amherst"'-';"':.-'" '•. • Vo•ille Map Illustrations/DeniseL O'B•en hiswas my firstreport as RegionalEditor. I was explain an apparent population rebound in some species initially concerned that the spring migration might that overwinter well north of the tropics.Many observers offer relatively little grist for the mill--autumn is typically reported increases in Winter Wren, Golden-crowned more exciting in the Maritimes. I need not have worried. Kinglet, Ruby-crowned Kinglet, Hermit Thrush, and Song Many trendsand tendenciesemerged among regular spe- Sparrow. cies, and there were interesting rarities. Reporting was With respect to this spring's vagrants, rarity-chasers good from Nova Scotia, Saint-Pierre et Miquelon, and were most successful in Nova Scotia and St. Pierre et easternNewfoundland, but only fair everywhere else. Miquelon; Newfoundland birders complained of unusu- The spring weather was largely benign, with virtually ally slim pickings. And since you asked, I indeed just no major unpleasantstorms, and no repeat of the partic- missed the outstanding event of the season (see the first ular weather pattern that had brought Newfoundland's S.A. below}. But that is another story for another day... large influx of Greater Golden-Ploversin 1988. The last ABBREVIATIONS--S.P.M. = the French islands of Saint half of May was particularly pleasant,with many warm Pierre et Miquelon. sunny days owing to a southwestern flow of air: good for LOONS TO COBMOBANTS -- Of the 6 reportsof Red- the migrants,but poorfor migrant watching.The vanguard throatedLoons, 12 at Cape Enrage,NB, Apr. 16 was a good of the warbler and flycatcher migration was therefore a number (fide HD). It was an unremarkablespring for Corn. few days ahead of schedule.For example, on May 26 in Loons, with few major concentrationsreported; 23 at Louis Nova Scotia, all the provinces'sbreeding speciesof war- Head Beach, NS, Mar. 13 (DY) was a typical count. After a biers (22) and flycatchers (seven) were heard singing, winter that saw lower numbers of grebesthan usual, it was somethingusually not possibleuntil the first week of June. good to have 52 Horned Grebes at Black Point, NS, Mar. 4, The winter just past was also relatively temperate-- with 70+ around the BlandfordPeninsula, NS, Mar. 24 (G & which, if equally true somewhat farther south, could IT). Only five reportsof 28 Red-neckedGrebes in Nova Scotia Volume 43, Number 3 443 was less encouraging, with one a flock of 12 at Hemeon's Head Apr. 12 (DY). To quote from the autumn 1988 West Indies Regional In the "some people just live right" department was the summary: "... the Lesser Antilles may serve as the astonishingdry-land observation of a Yellow-nosed Alba- portal for trans-oceanicinvasions of African birds, such tross, the 3rd for Nova Scotia (FL, IM, ph.). The observers as Cattle Egret, Western Reef-Heron, Little Egret, and were strolling the beach on Seal I. after a long day's birding possiblyothers." They may indeed. This year, during May 28 when the bird glided in, made a few passes,and then the Region'sannual spring overshootof migrating her- left. This was likely the same bird seen by local fishermen ons, three different Little Egrets were discovered in May 24 two miles west of the island. The only Cory'sShear- Nova Scotia, doubling the previous North American water reported was one on George'sBank, NS, May 27 (Ray- (and Canadian) total. mond d'Entremont). Good numbers of the common shear- On Apr. 16, at Sambro, NS, a heron that had been waters made it into the reporting period. At Portugal Cove present since early April was identified by PM as a South, NF, May 29, there were 40 Greater, sevenSooty, and Little Egret. The bird remained until Apr. 30, and was seven Manx shearwaters (BMt, JW). Farther south there were observedclosely and well by many. In addition to its hundredsof Sootyand Greater shearwaterson George'sBank, plumes (which it retains for only a brief period of the NS, in mid-May. On the earlier date of Apr. 27, 10 Manx year, unfortunately),it differed from the similar Snowy Shearwaterswere spottedoff the n.w. coastof S.P.M. (RE). Egret asfollows: thicker bill; slightlyheavier head with Cormorants of both species continued to do well. Great more extended "chin"; lores straw-yellow, not bright Cormorants have apparently begun breeding on Green I. off yellow, fading and becomegrayer anteriorly as its stay Port Hebert, NS, for the first time (DY). progressed;upper mandible blackish-gray, with the basal% of the lower mandible medium-gray;the yellow of the feet not extending up the leg at all. In behavior it was more sedate than the Snowy, stirring the bottom I-IEI•O1VS- American Bitterns seem to be holding their by foot-shuffling;its build was more like that of a Little own in Newfoundlandwith regular,albeit scattered, sightings Blue Heron. (fide BMt). Great Blue Heronsaway from their regular haunts The head plumesclinched its identificationas a Little on the mainland and the Codroy Valley of Newfoundland Egret, but its racial origins are much more open to were one Apr. 21-23 at St. John's,NF (BMt, DP), and a very question. The taxonomy of Little Egret is intricate and lost bird at GooseBay, Labrador,May 19 (MBt). There were unresolved. (A full discussion of the various races of at leastfive Great Egretsin Nova Scotiathis spring,including Egretta garzetta relative to the Sambro bird is in the one in Halifax Apr. 30-May 2 that becamea celebrity,making spring 1989 issue of Nova Scotia Birds.) The present front-pagenews in the local papersas well as a spot on the conclusion is that the Sambro individual was of the evening TV broadcasts. Eurasianrace E.g. garzetta,despite the yellow lores. There were the usual Snowy Egretsthis springas well. One On Apr. 25, PM and IM found a 2nd Little Egret at was at S.P.M. Apr. 24-May 8 (RE, ph.), with another at Mary's Round Bay, NS. It had head plumes, and the same Point, NB, May 5-7 (RW). There were 8 mainland reportsof behavior as the Sambro bird. The bird was wary, and Snowy Egret in Nova Scotia,but not all were critically sepa- not seenor photographedas well asthe former individ- rated from Little Egret, which must now be done. The 3 pairs ual. Finally, FL and JT found a 3rd bird on Bon Portage on Bon PortageI. were definitely Snowy Egrets;they were L, NS, on May 22-24. This bird associatedwith a small confirmed as breeding there last year, and thus constitute group of Snowy Egrets at a recently establishednesting Atlantic Canada's only breeding colony. Other expected colony.Although only one plume remained, other field spring heron-family overshootsin Nova Scotia were one Cat- marks and actions also confirmed the identification. tle Egret and three Little Blue Herons;all arrived in April. At Furthermore a report has been received from a resi- least one Little Blue Heron was also in New Brunswick. dent of Brier I., NS, who mentioned having seen a small white egret with 2 head plumes in the spring of 1988. The previous North American recordswere of two different spring birds in Newfoundland and an over- summering bird at Cacouna, Quebec. While any or all Every spring a very few sightingsof Snow Goosecan be expected in the Region in New Brunswick and Nova Scotia.This year's invasion of Snow Geesewas unprec- edented,and is recordedhere in detail. The great ma- jority of the sightingswere from New Brunswick: from Apr. 16 to May 14, between 75 and 120 birds on the Little Egre! at Sambro, Nova Scotia, April 20, 1989. Shepody River near Riverside-Albert, 80% immature, Fourth North American record. Well illustrated here are and including two blue morph (RW, HD); a flock of 35 the two long filamentous head plumes, and the lack of at JemsegApr. 16 (fide PP); 20 at Sussex Apr. 21 (fide yellow extending up the back of the tarsus.Photograph/ HD); 34 (all immatures) at Young's Cove Apr. 21 (ST, Ian A. McLaren/VIREO. OL); 53 (all immatures) at Upper Coverdale Apr. 21, of these earlier birds could have been displaced from remaining several weeks (ST, OL); 100•- at Frog Lake Europe, it is perhaps more likely that those in Nova until May 9 (fide PP); a flock of 65 at the Turtle Creek Scotiahad flown north from the Caribbean, having been Outlet near Moncton in the first week of May (RW); 14 previously displacedthere from their winter range in (all immatures)at Watersidebetween Apr. 20 and May Africa. The 1983 Western Reef-Heron at Nantucket, 14 (RW, ST); severaluncounted flecksalong the St. John MA, fits in with this pattern as well. In summary, Ian R. Valley (RW). McLaren states:"Whatever their origin, it is clear that Nova Scotia had many fewer geeseby comparison, never again can we look casuallyat small white egrets. but still many more than normal: one at Glace Bay Adds to the fun, I think." Beach Mar. 16 (Edie MacLeod); one adult with 4000 CanadaGeese at ChezzetcookInlet for the last few days 444 American Birds, Fall 1989 of March (L & PP);a flock of eight in a field near Canning &A. Apr. 10-16; one immature at EconomyMarsh Apr. 18- May 8 (FS); two to three others farther west in the Although technically the following observationoc- Minas Basin at the same time (fide FS). Finally, in curred outside the Region, it was definitely a record of Labrador where they may be more regular, three birds note.