Reproductive organs and mating strategies of the Gearded Tit Panurus biarmicus

The descent of man, and Selection in relation to sex, Vol 1.

1871 • 1,834 citations

Sperm competition in birds: Evolutionary causes and consequences

1992 • 462 citations

Why do female adders copulate so frequently?

1992 • 388 citations

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

1991 • 251 citations

Sperm size and sperm competition in birds

1992 • 225 citations

Numbers and size of sperm storage tubules and the duration of sperm storage in birds: a comparative study

1992 • 136 citations

Male sperm reserves and copulation frequency in birds

1993 • 111 citations

Patterns of Sperm Storage in Relation to Sperm Competition in Passerine Birds

1993 • 103 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

The Structure of the Cloacal Protuberance of the Vesper Sparrow (Pooecetes gramineus) and Certain Other Passerine Birds

1954 • 46 citations

Numbers and Distribution of Sperm in the Uterovaginal Sperm Storage Tubules of the Zebra Finch

1990 • 28 citations