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Chipmunk Reproduction - Anatomy & Physiology (view source)
Revision as of 12:08, 3 September 2008
, 12:08, 3 September 2008no edit summary
{{toplink
|backcolour =EED2EE
|linkpage =Reproductive System - Anatomy & Physiology
|linktext =Reproductive System
|maplink = Reproductive System (Content Map) - Anatomy & Physiology
|pagetype =Anatomy
|sublink1=Reproductive System - Anatomy & Physiology#Small Domestic Mammals
|subtext1=SMALL DOMESTIC MAMMALS
}}
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== Male ==
=== Penis ===
= Male =
== Penis ==
* Os penis lies within the tissue of the penis.
* Os penis lies within the tissue of the penis.
== Testes ==
=== Testes ===
* Two testes in an external scrotum.
* Two testes in an external scrotum.
** Allows testes to shrink and return to the abdomen in the non-breeding season.
** Allows testes to shrink and return to the abdomen in the non-breeding season.
== Puberty and Sexual Maturity ==
=== Puberty and Sexual Maturity ===
* Sexually mature at 6-7 weeks.
* Sexually mature at 6-7 weeks.
== Mammary Gland ==
=== Mammary Gland ===
* Teats are absent.
* Teats are absent.
== Female ==
=== Reproductive Tract ===
= Female =
== Reproductive Tract ==
* [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology#Anatomical_Types_of_Uteri|Bicornate uterus]]
* [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology#Anatomical_Types_of_Uteri|Bicornate uterus]]
== Puberty and Sexual Maturity ==
=== Puberty and Sexual Maturity ===
* Sexually mature at 12 months.
* Sexually mature at 12 months.
== Oestrous Cyclicity ==
=== Oestrous Cyclicity ===
* Seasonally Polyoestrous.
* Seasonally Polyoestrous.
* Advertises willingness to mate with persistent chipping noise on the second day of oestrus.
* Advertises willingness to mate with persistent chipping noise on the second day of oestrus.
== Gestation and Offspring ==
=== Gestation and Offspring ===
=== Gestation ===
==== Gestation ====
* [[Reproductive_System#Gestation|Gestation]] period 28-32 days.
* [[Reproductive_System#Gestation|Gestation]] period 28-32 days.
=== Litter ===
==== Litter ====
* Litter size 2-6
* Litter size 2-6
** Weaned at 6-7 weeks
** Weaned at 6-7 weeks
== Mammary Gland ==
=== Mammary Gland ===
* 4 pairs of teats.
* 4 pairs of teats.