Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 13 references without a DOI — listed, not checked
no DOI — not checkedCrump, M.L.: Territoriality and mating behavior inDendrobates granuliferus (Anura: Dendrobatidae). Herpetologica28, 195?198 (1972)
no DOI — not checkedDuellman, W.E.: Aggressive behavior in dendrobatid frogs. Herpetologica22, 217?221 (1966)
no DOI — not checkedDurant, P., Dole, J.W.: Aggressive behavior inColostethus (=Prostherapis) collaris (Anura: Dendrobatidae). Herpetologica31, 23?26 (1975)
no DOI — not checkedLüddecke, H.: Ethologische Untersuchungen zur Fortpflanzung vonPhyllobates palmatus (Amphibia, Ranidae). Ph. D. Dissertation, Johannes Gutenberg-Universität, Mainz (1974)
no DOI — not checkedLüddecke, H.: Einige Ergebnisse aus Feldbeobachtungen anPhyllobates palmatus (Amphibia, Ranidae) in Kolumbien. Mitt. Inst. Colombo Aleman Invest. Cient. Punta de Betin8, 157?163 (1976)
no DOI — not checkedMcDianmid, R.W.: Evolution of parental care in frogs. In The development of behavior: comparative and evolutionary aspects. Burghardt, G.M., Beckoff, M. (eds.), pp. 127?147. New York: Garland 1978
no DOI — not checkedMyers, C.W., Daly, J.W., Malkin, B.: A dangerously toxic new frog (Phyllobates) used by Embera Indians of western Colombia, with discussion of blowgun fabrication and dart poisoning. Bull. Am. Mus. Nat. Hist.161, 307?366 (1978)
no DOI — not checkedSenfft, W.: Das Brutgeschäft des Baumsteigerfrosches (Dendrobates auratus Girard) in Gefangenschaft. Zool. Gart.8, 122?136 (1936)
no DOI — not checkedSilverstone, P.A.: Observations on the behavior and ecology of a Colombian poison-arrow frog, the Kokoe-pa (Dendrobates histrionicus Berthold). Herpetologica29, 295?301 (1973)
no DOI — not checkedMeeuwen, H.M. Van: De Trinidadse beekkikkerColostethus trinitatis. Lacerta36, 3?11 (1977)
no DOI — not checkedWells, K.D.: Courtship and parental behavior in a Panamanian poison-arrow frog (Dendrobates auratus). Herpetologica34, 148?155 (1978)
no DOI — not checkedWells, K.D.: Parental behavior of male and female frogs. In: Natural selection and social behavior: Recent research and new theory. Alexander, R.D., Tinkle, D. (eds.). Newton, Mass: Chiron Press (in press) 1979a
no DOI — not checkedWells, K.D.: Social behavior and communication in a dendrobatid frog (Colostethus trinitatis). Herpetologica (in press) (1979b)
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