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June 18, 1961 - Long island's TernsQ" Oo w 2 19 3 y LU A Z V) w ��-- COMMON TERN. Exclusive Sunday Review Sketch by Dennis Puleston of Brookhaven Focus on Nature b y Paul Stoutenburgh, Cutchogue the years. Freshly dredged sand is usually occupied by terns the. This week's article m a r k s after hatching and commonly seek first summer and furnishes ex- another highlight in this series. shelter from the sun under nearby cellent nesting conditions for sev- We are most fortunate to have vegetation or in the shadow of eral years. Gilbert Raynor of Manorville any available object from a piece As the salt leaches out of the writing for us on Long Island's of driftwood to a long dead fish. sand, however, and the droppings Terns. This man is recognized How the p a r e n t s recognize of the birds furnish organic ma- as one of the authorities in this their own young among the hoard terial, vegetation gains a foothold field as well as being one of of screaming, begging chicks is and eventually spreads over the the best naturalists in this area. still a major, ornithological mys= island rendering it useless as a —P.S. tery but, somehow, the fish is nesting site. The colony then dis- LONG ISLAND-S TERNS always inserted in the correct apears or moves to a more suit - By Gilbert S Raynor mouth. ble location. Whether in agile flight over the After the young are grown, the About twenty years ago, t h e breaking surf, diving headlong to colonies disperse and by the end Herring Gull which had n e v e r snatch a hapless Silversides from of September, most have departed nested south of Massachusetts ex- its watery home, screaming mad- for warmer climes. C o m m o n tended its breeding range to Long ly above the head of the intruder Terns , winter from the Carolinas Island and soon invaded some of into its nesting -colony, or merely to South America but most of our most populous and thriving resting on an isolated sandbar, our Long Island birds seem to tern colonies. The superior size the tern is among the m o s t favor Central American and Car- and aggressiveness of the Gulls graceful and spectacular of our ribean waters. plus their appetite for tern eggs sea birds. One bird banded by the writer and young soon made these areas Smaller than gulls and swifter in a local colony on July 1, 1960 untenable for the smaller birds of flight, most species may be was shot on the island of Trinidad and the Gulls are now in sole known by their long, forked, swal- near the north coast of S o u t h possession. low -like tails, pearl gray a n d America on September 28. Other hazards include storms white plumage, black heads and The Roseate Tern is q u i t e and high tides which sometimes sharply pointed bills held down- similar to the Common Tern but destroy many eggs and young as ward as in the gulls. much less aboundant on Long Is- well as rats, weasels and house Eleven species have been ob- land. It is an even more beautiful cats which have invaded t e r n served on Long Island but most species with whiter plumage, colonies with disastrous results. are either migrants, rare visitors black instead of red bill, longer The human visitor also c a n or hurricane -blown strays. T h i s tail and a rosy tint on the breast cause much damage. A prolonged article will discuss. only the three during the breeding season. stay may keep the birds from species that nest here. It usually nests in the same their nests long enough to damage Of these three, the common colonies as the Common Tern but the eggs or young or more direct Tern, often called Sea-swallow or prefers areas of vegetation to the damage may be caused if every Mackeral Gull, is the most num- open sand. Its eggs and young footstep is not carefully watched erous. About the size of a pigeon, are quite similar to those of the for the eggs and young blend well it matches the description given Common Tern and its habits do with their surroundings. above. not differ significantly. With reasonable protection, Breeding colonies ranging in The Least Tern is only about however, terns should continue to size from a few dozen to, thou - half the size o the two preceding thrive and grace our shores each sands of birds are found along species. Its bill is yellow and its summer, guiding the surf fisher - the South shore from J a m a i c a black cap covers only the top man to schools of feeding Blue - Bay to the Montauk peninsula lo- and back of the head leaving fish, snatching the bait thrown in cated on islands, peninsulars and the forehead white. This species the air from in -bound f i s h i n g occasionally on isolated sections usually nests in smaller groups, boats and adding their quota of of sandy beach. Only a few small from ten to two hundred birds, life and action to our maritime groups nest along the N o r t h and does not demand as much scene. shore where suitable locations are isolation as its larger relatives. Colonies often found on Send your Field Observations scarcer. Common Terns arrive from the are sandy beaches and particularly and Comments to Paul Stouten- South about the first of May and on areas where recently dredged burgh, Rt No 1, Box 105, Bay by early June egg laying and sand has been deposited. Least Avenue, Cutchogue, N Y. incubation are well under way. hollow Terns may be found breeding in numerous locations along b o t h Field Observations: Dennis Puleston reports: Yellow The nest consists of a scraped in the sand sometimes shores of the Island sometimes - breasted Chat — June 9 — decorated with a few pieces of in close proximity to busy har- Brookhaven- Pro shell, stick or other debris. The bors or crowded bathing beaches. Gilbert Raynor reports: - two to four eggs vary from buff Tern colonies are subject to thonotary Warbler — J u n e 10 — to green and are heavily spotted many, harzards and our Long Is- Manorville and blotched with darker shades. land breeding grounds have un- L R Ernest reports: Coopers The young are able to run soon dergone many changes through Hawk - June 4 — Southampton