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Are there sympatric forms of Vimba Fitzinger 1873 in the Danube near the future connection to the Main River?BALON, E. K; CRAWFORD, S. S; LELEK, A et al.Senckenbergiana biologica. 1987, Vol 67, Num 4-6, pp 231-248, issn 0037-2102Article

Differential use of shelter holes by sympatric species of blennies (Blennidae)WILSON, S. K; FISHER, R; PRATCHETT, M. S et al.Marine biology (Berlin). 2013, Vol 160, Num 9, pp 2405-2411, issn 0025-3162, 7 p.Article

A component of isolation between Allonemobius shalontaki (Orthoptera: Gryllidae: Nemobiinae) and a sympatric congenerBIRGE, Leanna M; BRASWELL, W. Evan; HOWARD, Daniel J et al.Annals of the Entomological Society of America. 2007, Vol 100, Num 5, pp 721-728, issn 0013-8746, 8 p.Article

Parasite communities in three sympatric flounder species (Pleuronectiformes: Paralichthyidae): Similar ecological filters driving toward repeatable assemblagesALARCOS, Ana J; TIMI, Juan T.Parasitology research (1987). 2012, Vol 110, Num 6, pp 2155-2166, issn 0932-0113, 12 p.Article

Speciation in Sapsuckers (Sphyrapicus). II: Sympatry, hybridization, and mate preference in S. ruber daggetti and S. nuchalisJOHNSON, N. K; BOWMAN JOHNSON, C.The Auk. 1985, Vol 102, Num 1, pp 1-15, issn 0004-8038Article

Feeding segregation of two sympatric eubranchiid nudibranchs (Aeolidacea)HIRANO, Y. J; HIRANO, Y. M.Experimental biology. 1985, Vol 44, Num 4, pp 215-220, issn 0176-8638Article

CONSTANCY IN THE SIZE RATIOS OF SYMPATRIC SPECIESROTH VL.1981; AM. NAT.; ISSN 0003-0147; USA; DA. 1981; VOL. 118; NO 3; PP. 394-404; BIBL. 2 P.Article

ON A REMARKABLE DIMORPHISM OF THE APICES IN MANY GROUPS OF SYMPATRIC, CLOSELY RELATED MARINE GASTROPOD SPECIES.VERDUIN A.1977; BASTERIA; PAYS-BAS; DA. 1977; VOL. 41; NO 5-6; PP. 91-95; BIBL. 8 REF.Article

STATISTISCHES PRUEFVERFAHREN DES UNTERMISCHUNGSGRADES VON IM WATT RASTENDEN FLUSSSEESCHWALBEN- UND KUESTENSEESCHWALBEN-SCHWAERMEN (STERNA HIRUNDO L. UND S. PARADISAEA PONT.). = METHODE STATISTIQUE PERMETTANT DE DETERMINER LE DEGRE DE COHABITATION DES VOLEES S.H.L. ET S.P.P.) SUR LA PLAGEBUSSE K.1977; Z. TIERPSYCHOL.; DTSCH.; DA. 1977; VOL. 43; NO 3; PP. 295-303; ABS. ANGL. ESP.; BIBL. 6 REF.Article

EFFECT OF SYMPATRY ON MEADOWLARK VOCALIZATIONS.ORDAL JM.1976; CONDOR; U.S.A.; DA. 1976; VOL. 78; NO 1; PP. 100-101; BIBL. 10 REF.Article

Can parasites synchronise the population fluctuations of sympatric tetraonids?: examining some minimum conditionsHOLMSTAD, Per R; HUDSON, Peter J; VANDVIK, Vigdis et al.Oikos. 2005, Vol 109, Num 3, pp 429-434, issn 0030-1299, 6 p.Article

Sympatric speciation: when is it possible?KONDRASHOV, A. S; MINA, M. V.Biological Journal of the Linnean Society. 1986, Vol 27, Num 3, pp 201-223, issn 0024-4066Article

THE QUESTION OF SYNCHRONY OR "TEMPORAL SYMPATRY" IN MIMICRYHUHEEY JE.1980; EVOLUTION; USA; DA. 1980; VOL. 34; NO 3; PP. 614-616; BIBL. 30 REF.Article

SYMPATRY BETWEEN RANA BLAIRI AND THE SOUTHERN FORM OF LEOPARD FROG IN SOUTHEASTERN ARIZONA (ANURA: RANIDAE).FROST JS; BAGNARA JT.1977; S.-WEST NATURALIST; U.S.A.; DA. 1977; VOL. 22; NO 4; PP. 443-453; BIBL. 16 REF.Article

SUPPORT OF THE HYPOTHESIS THAT AARDWOLVES MIMIC HYENAS.EATON RL.1976; MAMMALIA; FR.; DA. 1976; VOL. 40; NO 2; PP. 342-343; BIBL. 9 REF.Article

MORPHOLOGIE DE DEUX FORMES DE BRACHYMYSTAX LENOK (FAM. DES SALMONIDAE) DU BASSIN DE L'AMOUR ET LEUR POSITION SYSTEMATIQUEKIFA MI.1976; IN: ZOOGEOGR. SIST. RYB; LENINGRAD; ZOOL. INST. AN SSSR; DA. 1976; PP. 142-156; BIBL. 2 P.Book Chapter

Sympatric size variants of the microcopepod Oncaea venusta exhibit distinct lineages in DNA sequencesELVERS, Dirk; BÖTTGER-SCHNACK, Ruth; BLOHM, Dietmar et al.Marine biology (Berlin). 2006, Vol 149, Num 3, pp 503-513, issn 0025-3162, 11 p.Article

Multivariate analysis of polymorphism in the hoplonemertean Oerstedia dorsalis (Abildgaard, 1806)SUNDBERG, P.Journal of experimental marine biology and ecology. 1984, Vol 78, Num 1-2, pp 1-22, issn 0022-0981Article

Mating behaviour in two closely related sympatric species of Philonthus (Coleoptera: Staphylinidae)JEPSON, S. B.Journal of natural history. 1984, Vol 18, Num 3, pp 411-423, issn 0022-2933Article

Habitat preferences of blue-grey, Thraupis episcopus, and palm, Thraupis palmarum, tanagers in SurinamINGELS, J.Le Gerfaut. 1983, Vol 73, Num 1, pp 85-97, issn 0251-1193Article

ECOLOGICAL ASPECTS OF HABITAT SELECTION BY TWO SYMPATRIC MOCKINGBIRDS, MIMUS SPP., IN PATAGONIA.GOCHFELD M.1978; IBIS; G.B.; DA. 1978; VOL. 120; NO 1; PP. 61-65; BIBL. 6 REF.Article

SYMPATRY AND COEXISTENCE IN THE ITALIAN TRITURUS, WITH NOTES ON THE "MOLGE ITALICA MOLISANA" PROBLEM (AMPHIBIA SALAMANDRIDAE).LANZA B.1977; MONIT. ZOOL. ITAL.; ITAL.; DA. 1977; VOL. 11; NO 1-2; PP. 113-118; ABS. ITAL.; BIBL. 15 REF.Article

ESTIMATION QUANTITATIVE DE LA SEPARATION SUIVANT LES BIOTOPES DES OISEAUX DU MEME GENRE DANS LES CONDITIONS SYMPATRIQUESLOBKOV EG.1976; EKOLOGIJA; S.S.S.R.; DA. 1976; NO 6; PP. 80-82; BIBL. 1 REF.Article

Dietary separation in three species of shrew inhabiting water-cress bedsCHURCHFIELD, S.Journal of zoology (1965). 1984, Vol 204, Num 2, pp 211-228, issn 0022-5460Article