Estimates of extreme sperm production: morphological and experimental evidence from reproductively promiscuous fairy-wrens (Malurus)

Ecology, Sexual Selection, and the Evolution of Mating Systems

1977 • 6,145 citations

SPERM COMPETITION AND ITS EVOLUTIONARY CONSEQUENCES IN THE INSECTS

1970 • 3,592 citations

Sperm Competition and Sexual Selection

1998 • 2,126 citations

Sperm Competition and the Evolution of Animal Mating Systems

1984 • 1,841 citations

Physiology of Reproduction

2000 • 1,184 citations

Physiology of Reproduction

2000 • 1,121 citations

Method for the Quantitative Morphologic Analysis of Tissues

1943 • 979 citations

Potential Reproductive Rates and the Operation of Sexual Selection

1992 • 819 citations

Regulation of Spermatogenesis

2003 • 679 citations

Sperm competition in birds

1987 • 474 citations

Associations between body size, mating pattern, testis size and sperm lengths across butterflies

1994 • 417 citations

Sperm competition games: sneaks and extra-pair copulations

1990 • 412 citations

Sexual Exhaustion and Recovery in the Male Rat

1956 • 347 citations

Sperm Production Rates

1970 • 320 citations

A Critical Review of Methods for Evaluation of Spermatogenesis from Seminal Characteristics

1981 • 318 citations

Pre–dawn infidelity: females control extra-pair mating in superb fairy–wrens

2000 • 301 citations

Ejaculate quality, testes size and sperm competition in primates

1988 • 289 citations

Sperm Competition in Mammals

1998 • 286 citations

Experimental evidence for testis size evolution via sperm competition

2001 • 273 citations

Mass and production rate of ejaculates in relation to monandry/polyandry in butterflies

1989 • 257 citations

Sperm Competition, Sperm Depletion, Paternal Care, and Relative Testis Size in Birds

1991 • 251 citations

Promiscuity: an inbreeding avoidance mechanism in a socially monogamous species?

1990 • 247 citations

Ejaculate Quality, Testes Size and Sperm Production in Mammals

1989 • 242 citations

Sex ratio and habitat limitation promote delayed dispersal in superb fairy-wrens

1990 • 225 citations

Extra-pair paternity, sperm competition and the evolution of testis size in birds

1995 • 220 citations

THE EFFECT OF RATIOS AND NUMBERS OF SPERMATOZOA MIXED FROM TWO MALES ON PROPORTIONS OF OFFSPRING

1974 • 207 citations

Alternative reproductive strategies in the white-throated sparrow: behavioral and genetic evidence

2003 • 200 citations

Testes size, ejaculate quality and sperm competition in birds

1988 • 195 citations

Sperm competition in birds

1998 • 188 citations

Sperm competition selects for increased testes mass in Australian frogs

2002 • 174 citations

Reproductive Capacity of Dairy Bulls. VIII. Direct and Indirect Measurement of Testicular Sperm Production

1962 • 158 citations

Why do male Callosobruchus maculatus beetles inseminate so many sperm?

1995 • 124 citations

Ejaculate quality and the success of extra-pair copulations in the zebra finch

1995 • 122 citations

Sperm Competition in Fishes

1998 • 122 citations

Reproductive Capacity of Dairy Bulls. II. Gonadal and Extra-Gonadal Sperm Reserves as Determined by Direct Counts and Depletion Trials; Dimensions and Weight of Genitalia

1961 • 120 citations

Male phenotype and ejaculate quality in the zebra finchTaeniopygia guttata

1995 • 114 citations

Sampling and Statistical Methods for Behavioral Ecologists

1998 • 113 citations

Reproductive promiscuity in the splendid fairy-wren: effects of group size and auxiliary reproduction

2004 • 112 citations

Male sperm reserves and copulation frequency in birds

1993 • 111 citations

Fairy-wrens and grasswrens: Maluridae

1998 • 109 citations

ARTIFICIAL INSEMINATION IN FOWLS

1936 • 105 citations

Sperm depletion in the Bengalese finch, Lonchura striata

1991 • 105 citations

Sperm competition in frogs: testis size and a ‘sterile male’ experiment on Chiromantis xerampelina (Rhacophoridae)

1993 • 104 citations

Production, transport, maturation, storage and survival of spermatozoa in the male Japanese quail, Coturnix coturnix

1982 • 101 citations

Cloacal Protuberance and Copulatory Behavior of the Alpine Accentor (Prunella collaris)

1990 • 101 citations

Cloacal protuberances and extreme sperm production in Australian fairy-wrens

1996 • 100 citations

Sperm Competition and the Reproductive Anatomy of Male Superb Fairy-Wrens

1993 • 97 citations

Testis size variation in the greenfinch Carduelis chloris : relevance for some recent models of sexual selection

1999 • 96 citations

Sperm competition: evolutionary causes and consequences

1995 • 75 citations

Relations Between Fertility, Embryonic Survival and Some Semen Characteristics in the Chicken

1958 • 74 citations

Pre- and post-insemination episodes of sexual selection in the fowl, Gallus g. domesticus

2002 • 72 citations

Selection and utilization of spermatozoa in the reproductive tract of the female zebra finch Taeniopygia guttata

1993 • 70 citations

Sperm competition and the reproductive organs of the male and female Dunnock Prunella modularis

1991 • 68 citations

Sampling Boar Testes to Study Spermatogenesis Quantitatively and to Predict Sperm Production

1964 • 63 citations

Effects of age and frequency of ejaculation on sperm production and extragonadal sperm reserves in stallions.

1979 • 63 citations

Experimental studies on spermatogenesis in the house sparrow, passer domesticus (Linnaeus)

1937 • 57 citations

Renewal and proliferation of spermatogonia during spermatogenesis in the Japanese quail, Coturnix coturnix japonica

1992 • 57 citations

Relative Parental Expenditure, Potential Reproductive Rates, and the Control of Sexual Selection in Katydids

1995 • 55 citations

Male sperm reserves and copulation behaviour in the house sparrow,Passer domesticus

1994 • 54 citations

Operational Sex Ratios and Mating Conflict between the Sexes in the Water Strider Gerris lacustris

1995 • 48 citations

The Breeding Biology of the White-winged Fairy-wren Malurus leucopterus leuconotus in a Western Australian Coastal Heathland

1995 • 45 citations

Testis size in sandpipers

1985 • 45 citations

?Philandering? ? a mixed mating strategy in the splendid fairy-wren Malurus splendens

1990 • 44 citations

Prolonged copulation, sperm reserves and sperm competition in the Aquatic Warbler Acrocephalus paludicola

1995 • 43 citations

Patterns of courtship behavior and ejaculate characteristics in male red-winged blackbirds

1998 • 42 citations

Reproductive Capacity of Dairy Bulls. V. Detection of Testicular Deficiencies and Requirements for Experimentally Evaluating Testis Function from Semen Characteristics

1961 • 39 citations

Testis development and daily sperm output in guinea-fowl raised under constant daily photoperiods

1981 • 34 citations

Ejaculate features and sperm utilization in peafowlPavo cristatus

1995 • 31 citations

EFFECT OF EJACULATION FREQUENCY AND BREED ON SEMEN CHARACTERISTICS AND SPERM OUTPUT OF RABBITS

1966 • 28 citations

Concordance of mammalian ejaculate features

1991 • 23 citations

Spontaneous continuous release of spermatozoa and its predawn surge in male passerine birds

1987 • 18 citations

Predicting the adult daily sperm output after the first ejaculates in cockerels raised under different photoschedules

1981 • 17 citations

Daily Output of Spermatozoa and Extragonadal Spermatozoal Reserves in Turkeys

1988 • 17 citations

Breeding Biology and Social Behaviour of the Eastern Race of the Splendid Fairy-wrenMalurus splendens melanotus

2000 • 17 citations

SPERMIATION AND SPERM TRANSPORT IN PASSERINE BIRDS

1974 • 7 citations