(DRAFT) - Taxonomy
                                Species tern, common
                                 Species Id M040181
                                   Date 26 AUG 96



TAXONOMY

NAME - tern, common OTHER COMMON NAMES - ELEMENT CODE - 04/06/84 AOU CODE - 10/23/85 03/31/88 CATEGORY - Birds PHYLUM AND SUBPHYLUM - Chordata, CLASS AND SUBCLASS - Aves, ORDER AND SUBORDER - Charadriiformes, FAMILY AND SUBFAMILY - Laridae, Sterninae GENUS AND SUBGENUS - Sterna, SPECIES AND SSP - hirundo, SCIENTIFIC NAME - Sterna hirundo AUTHORITY - TAXONOMY REFERENCES - Taxonomy - 1
                                  (DRAFT) - Status
                                Species tern, common
                                 Species Id M040181
                                   Date 26 AUG 96



STATUS

Coded Status Federal Migratory Nongame-Protected REFERENCES FOR STATUS - 758 COMMENTS ON STATUS - Breeds commonly on the coast of the Eastern Shore. Common transient and summer resident on coast and in the Bay. Less common transient inland, rare winter visitor.*8511* Status - 1
                               (DRAFT) - Distribution
                                Species tern, common
                                 Species Id M040181
                                   Date 26 AUG 96



DISTRIBUTION

References on County Occurrence - 610, 510, 059, 153, 179, 630, 177, 099, 033, 085, 101, 193, 159, 057, 097, 133, 103, 119, 087, 760, 127, 073, 115, 041, 036, 095, 830, 570, 730, 670, 149, 181, 199, 700, 650, 053, 183, 081, 595, 175, 620, 093, 800, 740, 710, 550, 810, 001, 131, CB1, CB2, CB3, AO1, 999, 003, 005, 007, 009, 011, 013, 015, 017, 019, 021, 023, 025, 027, 029, 035, 037, 043, 045, 047, 049, 051, 061, 063, 065, 067, 069, 071, 075, 077, 079, 083, 089, 091, 105, 107, 109, 111, 113, 117, 121, 125, 131, 135, 137, 139, 141, 143, 145, 147, 155, 157, 161, 163, 165, 167, 169, 171, 173, 185, 187, 191, 195, 197, 515, 520, 530, 540, 560, 580, 590, 600, 640, 660, 678, 680, 683, 685, 690, 720, 735, 750, 770, 775, 780, 790, 820 and 999 References on Seasonal Occurrence - Common transient and summer resident on coast and in Chesapeake Bay; rare transient inland *700* Peak counts occcur along the coastal barrier islands in January. *8511* References on County Abundance - 001, 003, 005, 007, 009, 011, 013, 015, 017, 019, 021, 023, 025, 027, 029, 031, 033, 035, 036, 037, 041, 043, 045, 047, 049, 051, 053, 057, 059, 061, 063, 065, 067, 069, 071, 073, 075, 077, 079, 081, 083, 085, 087, 089, 091, 093, 095, 097, 099, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 125, 127, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, 153, 155, 157, 159, 161, 163, 165, 167, 169, 171, 173, 175, 177, 179, 181, 183, 185, 187, 191, 193, 195, 197, 199, 510, 515, 520, 530, 540, 550, 560, 570, 580, 590, 595, 600, 610, 620, 630, 640, 650, 660, 670, 678, 680, 683, 685, 690, 700, 710, 720, 730, 735, 740, 750, 760, 770, 775, 780, 790, 800, 810, 820, 830, 840, CB1, CB2, CB3, AO1 and 999 REFERENCES FOR HYDROLOGIC UNIT CODES - 001, 131, 133, 103, 115, 073, 199, 095, 181, 093, 650, 700, 800, 740, 550, 710 and 810 OTHER DISTRIBUTION REFERENCES FOR OTHER DISTRIBUTION - H Comments on Distribution - Common transient and summer resident on coast and in the Bay. Less common transient inland, rare winter visitor.*8511* Distribution - 1
     

HABITAT ASSOCIATIONS

HABITAT - Riparian REFERENCES FOR HABITAT - 1168 LAND USE - Water Streams and Canals Lakes Reservoirs Bays and Estuaries Wetland Nonforested Wetland Barren Land Chesapeake Bay Beaches Sandy Areas other than Beaches REFERENCES FOR LAND USE - 1168, 3619 and 3632 NATIONAL WETLAND INVENTORY CODES NWI NWICLS NWIMOD NWISPEC Marine, intertidal BB1 S Marine, intertidal BB2 Marine, subtidal OW0 Estuarine, subtidal OW0 Estuarine, intertidal BB1 Estuarine, intertidal BB2 Estuarine, intertidal FL2 REFERENCES FOR NWI - 1168, 3619, 3632, 487 and 1024 COMMENTS ON HABITAT ASSOCIATIONS - Nests on sandy beaches, spoil banks; feeds in open ocean, beaches, inlets, saltmarshes, tidal creeks *1168,487* ANIMAL/PLANT SPECIES ASSOCIATIONS - 3620 POTENTIAL NATURAL VEGETATION - 065 Northern Cordgrass Prairie (Distichlis-Spartina) 094 Mixed Mesophytic Forest (Acer-Aesculus-Fagus-Lirioden 095 Appalachian Oak Forest (Quercus) 097 Northern Hardwoods (Acer-Betula-Fagus-Tsuga) 101 Oak - Hickory - Pine Forest (Quercus-Carya-Pinus) 103 Southern Floodplain Forest (Quercus-Nyssa-Taxodium) REFERENCES FOR PNV - 700 ECOREGION - Mixed mesophytic Forest: Low Mountains Appalachian Oak forest: Plains with High Hills Appalachian Oak Forest: Plains with Low Mountains Appalachian Oak Forest: Open Hills Appalachian Oak Forest: Open Low Mountains Habitat Associations - 1 ECOREGION - Appalachian Oak Forest: Irregular Plains Appalachian Oak Forest: Low Mountains Southeastern Mixed Forest: Plains with High Hills Southeastern Mixed Forest: Plains with Low Mountains Southeastern Mixed Forest: Low Mountains Southeastern Mixed Forest: Open Low Mountains Southeastern Mixed Forest: Flat Plains Southeastern Mixed Forest: Irregular Plains Southeastern Mixed Forest: Irregular Plains, slight rel Southeastern Mixed Forest: Open Hills Southeastern Mixed Forest: Plains with Hills REFERENCES FOR ECOREGION - 700 Habitat Associations - 2
                                (DRAFT) - Food Habits
                                Species tern, common
                                 Species Id M040181
                                   Date 26 AUG 96



FOOD HABITS

TROPHIC LEVEL - CARNIVORE REFERENCES FOR TROPHIC LEVEL - 1168 LIFESTAGE FOOD FOOD PART General Animals Not Specified General Insects Not Specified General Osteichthyes Not Specified General Atheriniformes Adult stage General Gasterosteiformes Not Specified General Malacostraca Not Specified General Crustaceans Not Specified General Osteichthyes Adult stage General Animals Adult stage General See Comments; Food See Comments Important Osteichthyes Not Specified Important Atheriniformes Not Specified Important Malacostraca Not Specified Important Crustaceans Not Specified Important Animals Not Specified Juvenile Animals Not Specified Juvenile Animals Adult stage Juvenile Osteichthyes Not Specified Juvenile Osteichthyes Adult stage Juvenile Insects Not Specified Juvenile Atheriniformes Adult stage Juvenile Gasterosteiformes Not Specified Juvenile Malacostraca Not Specified Juvenile Crustaceans Not Specified Juvenile See Comments; Food See Comments Adult Animals Not Specified Adult Animals Adult stage Adult Insects Not Specified Adult Osteichthyes Not Specified Adult Osteichthyes Adult stage Adult Atheriniformes Adult stage Adult Amphibia Not Specified Adult Malacostraca Not Specified Adult Crustaceans Not Specified Adult See Comments; Food See Comments REFERENCES FOR GENERAL FOOD - 1168 and 487 REFERENCES FOR IMPORTANT FOOD - 1168 and 487 REFERENCES FOR ADULT FOOD - 1168 and 487 REFERENCES FOR JUVENILE FOOD - 1168 and 487 Food Habits - 1 (DRAFT) - Food Habits Species tern, common Species Id M040181 Date 26 AUG 96 COMMENTS ON FOOD - In Virginia, 75% of the diet consisted of silversides (Menidia spp.) and killifish (Fundulus spp.) *487* COMMENTS ON ADULT FOOD - In Virginia, 75% of the diet consisted of silversides (Menidia spp.) and killifish (Fundulus spp.) *487* COMMENTS ON JUVENILE FOOD - In Virginia, 75% of the diet consisted of silversides (Menidia spp.) and killifish (Fundulus spp.) *487* Food Habits - 2
                         (DRAFT) - Environment Associations
                                Species tern, common
                                 Species Id M040181
                                   Date 26 AUG 96



ENVIRONMENTAL ASSOCIATIONS

G = General A = Adult LIM = Limiting RA = Resting Adult J = Juvenile FA = Feeding Adult RJ = Resting Juvenile BA = Breeding Adult FJ = Feeding Juvenile P = Pupae L = Larvae E = Egg RL = Resting Larvae FL = Feeding Larvae
LIFESTAGE ENVIRONMENTAL ASSOCIATIONS G Coastal Features: Sand beaches G Coastal Features: Sand bars G Coastal Features: Mudflats G Coastal Features: Dunes G Coastal Features: Hind-dune G Coastal Features: Sandy offshore islands G Coastal Wetlands: Coastal shallow fresh marsh G Coastal Wetlands: Coastal salt flats G Coastal Wetlands: Coastal salt meadows G Coastal Wetlands: Regularly flooded salt marshes G Coastal Wetlands: Sounds and bays G Grasses: Specified in Comments G Vegetations Successional Stage: Sand dune G Human Association: Specified in Comments LIM Coastal Features: Sand beaches FA Coastal Wetlands: Regularly flooded salt marshes FA Coastal Wetlands: Coastal salt meadows BA Coastal Features: Sand beaches LIM Coastal Wetlands: Regularly flooded salt marshes LIM Coastal Wetlands: Coastal salt meadows REFERENCES FOR ENVIRONMENTAL ASSOC_ - 1168, 487, 3632 and 1024 REFERENCES FOR LIMITING ENVIRONMENTAL ASSOC_ - 3632 REFERENCES FOR FEEDING ADULT ENVIRONMENTAL ASSOC_ - 1168 and 487 REFERENCES FOR BREEDING ADULT ENVIRONMENTAL ASSOC_ - 3632 COMMENTS ON ENVIRONMENTAL ASSOCIATIONS - Spartina spp. *3619*; dredge spoils *3632* Environment Associations - 1
                               (DRAFT) - Life History
                                Species tern, common
                                 Species Id M040181
                                   Date 26 AUG 96



LIFE HISTORY

PHYSICAL DESCRIPTION: length=15 inches; crown black, extending to lower level of eyes; back and wings pearl gray; inner border of inner web of outer primaries white, except at tip; throat white; breast and belly pale pearly gray; bill red at base, the end third black; feet orange red *741*; REPRODUCTION: in Virginia, arrives at breeding grounds in mid-April to mid-May; peak egg laying early May to mid-July; peak hatching late May to mid-August *1024*; incubation by both sexes 24-26 days; one brood; eggs, 3, sometimes 2 or 4, typically laid 1 a day until clutch is complete; average 41.5 X 30 mm, oval, short oval, long oval; shell smooth no gloss; pale buff to cinnamon brown, generally heavily spotted and overlaid with shades of dark brown *507*; may be no nest, merely a slight hollow in sand, shells, or pebbles; depression in wind row of seaweed and trash above high water mark; some material may be added *507*; BEHAVIOR: defends colony by diving at intruders *1168*; feeds by plunging; often disappearing entirely under water; bill pointed downward when feeding *1168*; adults have two complete molts each year, a prenuptial early in the spring, before arrival at breeding grounds, and a postnuptial in September or later *1168*; LIMITING FACTORS: large number of predators on eggs, young, and incubating adults including--owls, red-winged black birds, night herons, crows, gulls, rats, raccoons, skunks, cats, mice *1168,3622,3623,3620*; entire colonies often wiped out by storms, high tides *1168,3619*; lack of suitable colony sites may be limiting *3619,3632*; POPULATION PARAMENTERS: 90% of breeding population is 3-10 years old *3616*; 5-10% of breeding population are 4 years olds *3630*; maximum lifespan is 20 years; mean annual adult mortality is 25% *3616*; survival rate between fledge and age 4 is 7-13% *3630*; fledging success of 3rd chick is 2/3-1/8 success of first chick *3615*; AQUATIC/TERRESTRIAL ASSOCIATIONS: often feeds in association with feeding bluefish (Pomatomus saltatrix) *1168*; often nests in association with other species of terns, black skimmers (Rynchops niger), gulls (Larus spp.) *1168,3631*; OTHER: in 1977, 22 colonies were known in Virginia with 3556 total nesting pairs; main colony size was 162 pairs *1024* LIFE HISTORY CODES - Foraging Strategy: Diving (aquatic) REFERENCES FOR LIFE HISTORY- 1024, 1168, 3615, 3630, 3616, 3619, 3632, 3622, 3623, 3620, 741 and 507 Life History - 1
                           (DRAFT) - Management Practices
                                Species tern, common
                                 Species Id M040181
                                   Date 26 AUG 96



MANAGEMENT PRACTICES

RESULT MANAGEMENT PRACTICE Beneficial Predator control Beneficial Restricting/regulating human use of habitats Beneficial Restricting/regulating human disturbance of populations Beneficial Public education - law enforcement Beneficial Maintaining undisturbed/undeveloped areas Beneficial Maintaining unique or special habitat features [wetlands, caves, Beneficial Developing/maintaining brackish marsh Beneficial Developing/maintaining saline marsh Beneficial Proper handling and placement of overburden and spoil materials Beneficial Other management practices [specified in comments] Existing Restricting/regulating human use of habitats Existing Restricting/regulating human disturbance of populations Existing Other management practices [specified in comments] REFERENCES FOR BENEFICIAL MANAGEMENT PRACTICES - 3632, 4209 and 1024 REFERENCES FOR EXISTING MANAGEMENT PRACTICES - 3632, 4209 and 1024 COMMENTS ON MANAGEMENT PRACTICES - 999(B)=areas where there are nesting colonies should be kept free from human disturbance during the breeding season; cats, dogs, rats, and other predatory mammals should be controlled and kept off islands *1168*; 999(E)=in Virginia, species nests on barrier beaches; may shift to nesting in saltmarshes (as in New Jersey) under increased disturbance *3632* Management Practices - 1
                                   (DRAFT) - References
                                   Species tern, common
                                    Species Id M040181
                                      Date 26 AUG 96



     

References

487* Erwin, R.M. 1977. Foraging and breeding adaptations to different food regimes in three seabirds: the common tern Sterna hirundo, royal tern Sterna maxima, and black skimmer Rynchops niger. Ecology 58:389-397. 507* Harrison, H.H. 1975. A Field Guide to Birds' Nests of 285 Species Found Breeding in the United States East of the Mississippi River. Petterson Field Guide Series No. 121. Houghton Mifflin Boston, Massechusetts:257. 700* Ornithology, Virginia Society of. 1979. Virginia's Birdlife: An Annotated Check-list. Virginia Avifauna No. 2. Virginia Society of Ornithology Lynchburg, Va:118. 741* Chapman, F.M. 1934. Handbook of Birds of Eastern North America. D. Appleton-Century Co., Inc. New York:581. 758* (ed.)1982. Fish and wildlife. 50 CFR 10 (Code of Federal Regulations). General Serv. Admin. Washington, D.C:7. 1024* Parker, S.P. (ed.)1982. Synopsis and Classification of Living Organisms. McGraw-Hill Book Co. New York, New York:1232. 1168* Bent, A.C. 1921. Life histories of North American gulls and terns. U.S. Mus. Nat. Hist. Bull. 113. Reprint 1963 by Dover Pubs. New York, N.Y:337. 3615* Langham, N. 1972. Chick survival in terns (Sterna spp.) with particular reference to the common tern. J. Animal Ecol. 41:385-395. 3616* Austin, O.L., Austin, O.L., Jr. 1956. Some demographic aspects of the Cape Cod population of common terns (Sterna hirundo). Bird Banding 273:55-66. 3619* Burger, J., Lesser, F. 1979. Breeding behavior and success in salt marsh common tern colonies. Bird Banding 503:322-337. 3620* Nisbet, I.C.T. 1976. Selective effects of predation in a tern colony. Condor 77:221-226. 3622* Pessino, C.M. 1968. Red-winged Blackbird destroys eggs of common and roseate terns. Auk 85:513. 3623* Hunter, R.A., Morris, R.D. 1976. Nocturnal predation by a black-crowned night heron at a common tern colony. Auk 933:575-594. 3630* Nisbet, I.C.T. 1978. Population models for common terns in Massachusetts. Bird Banding 49:50-58. References - 1 (DRAFT) - References Species tern, common Species Id M040181 Date 26 AUG 96 3632* Erwin, R.M. 1980. Breeding habitat use by colonially nesting waterbirds in two mid-Atlantic U.S. regions under different regimes of human disturbance. Biological Conserv. 18:39-51. 4209* Anderson, D.W., Keith, J.O. 1979.. References - 2