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Reference Base  Notes on breeding black rhinoceroses Diceros bicornis at ... |
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| Title: |
Notes on breeding black rhinoceroses Diceros bicornis at Pittsburgh Zoo |
| Author(s): |
Hays, H.R. |
| Year published: |
1967 |
| Journal: |
International Zoo Yearbook |
| Volume: |
7 |
| Pages: |
164-165 |
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| File: |
View PDF: 570,7 kb |
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Captive - North America
Reproduction
Black Rhino
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| Gestation period. 463 days, Pittsburgh 1960, male |
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Location:
Subject:
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World
Reproduction
Black Rhino
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| Gestation period. 454 days, Pittsburgh 1963, male |
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Location:
Subject:
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World
Reproduction
Black Rhino
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| Gestation period. 457 days, Pttsburgh 1965, male |
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Subject:
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Captive - North America
Captivity - Zoo Records
Black Rhino
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| Pair bought from Carl Hagenbeck on 23 May 1954. Male estimated 2 ? years old, female 3 years old. Calves were born: male in Oct 1960, male in April 1963 and male in Oct 1965. Firs calf sent to Jacksonville, second to Duluth. |
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Captive - North America
Reproduction
Black Rhino
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| Pittsburgh Zoo. The only signs of oestrous appear to be enlargement of the vulva and receptivity to the male's advances. In every case, only one copulation occurred during each oestrous. |
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Captive - North America
Reproduction
Black Rhino
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| Pittsburgh Zoo. Pair bought 1954. Male estimated 2 ? years old, female 3 years old. In 1957 attempts at mating were observed. Two complete acts of copulation were seen in 1958 but the female did not become pregnant. In 1959 one complete act of copulation occurred, followed by another 50 days... |
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Captive - North America
Reproduction
Black Rhino
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| Pittsburgh Zoo. Mating has taken place in May, September and November. Sexual union lasted for over an hour and the male was observed ejaculating about every 10 minutes during copulation. After mating the male ceased to be interested in the female. |
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Location:
Subject:
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Captive - North America
Morphology - Size
Black Rhino
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| Pittsburgh zoo - 3 males born, birth weight estimated between 22 and 34 kg. |
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Categories and original text of this Reference:
details