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<document id="56555D4736AFB5FAF7DC3014245A0FAC" ID-CLB-Dataset="58516" ID-DOI="10.5281/zenodo.6512484" ID-GBIF-Dataset="67b52095-db4b-43f8-a661-4aced0511111" ID-ISBN="978-84-96553-77-4" ID-Zenodo-Dep="6512484" IM.metadata_requiresApprovalFor="plazi" IM.taxonomicNames_requiresApprovalFor="plazi" checkinTime="1651524980884" checkinUser="conny" docAuthor="Don E. Wilson &amp; Russell A. Mittermeier" docDate="2011" docId="03F5071399D2FF6903D8FAB0F9E5F68E" docLanguage="en" docName="hbmw_2_Bovidae_0444.pdf.imf" docOrigin="Handbook of the Mammals of the World Volume 2 Hoofed Mammals, Barcelona: Lynx Edicions" docTitle="Cephalophus callipygus Peters 1876" docType="treatment" docVersion="16" lastPageNumber="724" masterDocId="FFCC7F6B994BFFF00316FF82FFEDFF81" masterDocTitle="Bovidae" masterLastPageNumber="779" masterPageNumber="444" pageNumber="724" updateTime="1699330398010" updateUser="ExternalLinkService">
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<mods:namePart id="B4E15F9D5AFC15C34A414384FAEE4897">Don E. Wilson</mods:namePart>
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<mods:namePart id="39DE14794A43E75D17F38F028250E82D">Russell A. Mittermeier</mods:namePart>
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<mods:title id="04525F97B732AC2996885E9B7C7440F7">Handbook of the Mammals of the World Volume 2 Hoofed Mammals</mods:title>
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<subSubSection id="C346E58E99D2FF6903D8FAB0FECDFAE1" box="[206,288,1330,1376]" pageId="153" pageNumber="724" type="multiple">
<paragraph id="8BE3B60599D2FF6903D8FAB0FECDFAE1" blockId="153.[204,1107,1330,1416]" box="[206,288,1330,1376]" pageId="153" pageNumber="724">
<heading id="D0AB016999D2FF6903D8FAB0FECDFAE1" box="[206,288,1330,1376]" pageId="153" pageNumber="724">
<figureCitation id="1367AA8099D2FF6903D8FAB0FECDFAE1" box="[206,288,1330,1376]" captionStart="On" captionStartId="148.[118,148,3353,3378]" captionTargetBox="[11,2769,12,3635]" captionTargetPageId="147" captionText="On following pages: 245. Eastern Bay Duiker (Cephalophus castaneus); 246. Jentinks Duiker (Cephalophus jentinki); 247. Western Yellow-backed Duiker (Cephalophus silviculton; 248. Eastern Yellow-backed Duiker (Cephalophus curticeps); 249. Abbott's Duiker (Cephalophus spadix); 250. Black Duiker (Cephalophus niger); 251. Ogilbys Duiker (Cephalophus ogilbyi); 252. White-legged Duiker (Cephalophus crusalbum): 253. Brooke's Duiker (Cephalophus brookel); 254. Peters's Duiker (Cephalophus callipygus)." figureDoi="http://doi.org/10.5281/zenodo.6512971" httpUri="https://zenodo.org/record/6512971/files/figure.png" pageId="153" pageNumber="724">254.</figureCitation>
</heading>
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<subSubSection id="C346E58E99D2FF690227FAB0FD86FAE1" box="[305,619,1330,1376]" pageId="153" pageNumber="724" type="vernacular_names">
<paragraph id="8BE3B60599D2FF690227FAB0FD86FAE1" blockId="153.[204,1107,1330,1416]" box="[305,619,1330,1376]" pageId="153" pageNumber="724">
<heading id="D0AB016999D2FF690227FAB0FD86FAE1" box="[305,619,1330,1376]" pageId="153" pageNumber="724">
<vernacularName id="055FC62B99D2FF690227FAB0FD86FAE1" box="[305,619,1330,1376]" pageId="153" pageNumber="724">Peterss Duiker</vernacularName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF6901A2FAB0FBBFFAE1" box="[692,1106,1330,1376]" pageId="153" pageNumber="724" type="nomenclature">
<paragraph id="8BE3B60599D2FF6901A2FAB0FBBFFAE1" blockId="153.[204,1107,1330,1416]" box="[692,1106,1330,1376]" pageId="153" pageNumber="724">
<heading id="D0AB016999D2FF6901A2FAB0FBBFFAE1" box="[692,1106,1330,1376]" pageId="153" pageNumber="724">
<taxonomicName id="4C5CCD8699D2FF6901A2FAB0FBBFFAE1" ID-CoL="5XJ2P" authority="Peters, 1876" authorityName="Peters" authorityYear="1876" box="[692,1106,1330,1376]" class="Mammalia" family="Bovidae" genus="Cephalophus" kingdom="Animalia" order="Artiodactyla" pageId="153" pageNumber="724" phylum="Chordata" rank="species" species="callipygus">
<emphasis id="B9286A1799D2FF6901A2FAB0FBBFFAE1" box="[692,1106,1330,1376]" italics="true" pageId="153" pageNumber="724">Cephalophus callipygus</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF6903DBFAF0FBC5FA06" box="[205,1064,1394,1415]" pageId="153" pageNumber="724" type="vernacular_names">
<paragraph id="8BE3B60599D2FF6903DBFAF0FBC5FA06" blockId="153.[204,1107,1330,1416]" box="[205,1064,1394,1415]" pageId="153" pageNumber="724">
<heading id="D0AB016999D2FF6903DBFAF0FBC5FA06" box="[205,1064,1394,1415]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF6903DBFAF0FEF7FA06" bold="true" box="[205,282,1394,1415]" pageId="153" pageNumber="724">French:</emphasis>
<vernacularName id="055FC62B99D2FF690235FAF0FDECFA06" box="[291,513,1394,1415]" pageId="153" pageNumber="724">Céphalophe de Peters</vernacularName>
/
<emphasis id="B9286A1799D2FF690103FAF0FD9DFA06" bold="true" box="[533,624,1394,1415]" pageId="153" pageNumber="724">German:</emphasis>
<vernacularName id="055FC62B99D2FF69016CFAF0FCE5FA06" box="[634,776,1394,1415]" pageId="153" pageNumber="724">Peters-Ducker</vernacularName>
/
<emphasis id="B9286A1799D2FF69000AFAF0FC9AFA06" bold="true" box="[796,887,1394,1415]" pageId="153" pageNumber="724">Spanish:</emphasis>
<vernacularName id="055FC62B99D2FF690097FAF0FBC5FA06" box="[897,1064,1394,1415]" pageId="153" pageNumber="724">Duiker de Peters</vernacularName>
</heading>
</paragraph>
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<subSubSection id="C346E58E99D2FF690025FA3AFC90FA7D" pageId="153" pageNumber="724" type="reference_group">
<paragraph id="8BE3B60599D2FF690025FA3AFC90FA7D" blockId="153.[819,1406,1464,1887]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF690025FA3AFC23FA54" bold="true" box="[819,974,1464,1493]" pageId="153" pageNumber="724">Taxonomy.</emphasis>
<taxonomicName id="4C5CCD8699D2FF6900F3FA3AFC94FA7D" ID-CoL="5XJ2P" authority="Peters, 1876" authorityName="Peters" authorityYear="1876" class="Mammalia" family="Bovidae" genus="Cephalophus" kingdom="Animalia" order="Artiodactyla" pageId="153" pageNumber="724" phylum="Chordata" rank="species" species="callipygus">Cephalophus callipygus Peters, 1876</taxonomicName>
,
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF69009FFA5DFC00FA7D" box="[905,1005,1503,1532]" pageId="153" pageNumber="724" type="materials_examined">
<paragraph id="8BE3B60599D2FF69009FFA5DFC00FA7D" blockId="153.[819,1406,1464,1887]" box="[905,1005,1503,1532]" pageId="153" pageNumber="724">
<materialsCitation id="3B34BC5899D2FF69009FFA5DFC00FA7D" ID-GBIF-Occurrence="3785198339" box="[905,1005,1503,1532]" pageId="153" pageNumber="724">
<collectingCountry id="F34BF69599D2FF69009FFA5DFC04FA7D" box="[905,1001,1503,1532]" name="Gabon" pageId="153" pageNumber="724">Gabon</collectingCountry>
.
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</paragraph>
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<subSubSection id="C346E58E99D2FF690023F980FA9FF9F3" pageId="153" pageNumber="724" type="discussion">
<paragraph id="8BE3B60599D2FF690023F980FA9FF9F3" blockId="153.[819,1406,1464,1887]" pageId="153" pageNumber="724">
Closely related to Weynss Duiker (
<taxonomicName id="4C5CCD8699D2FF690676F980FC63F9CA" authorityName="Thomas" authorityYear="1901" class="Mammalia" family="Bovidae" genus="Cephalophus" kingdom="Animalia" order="Artiodactyla" pageId="153" pageNumber="724" phylum="Chordata" rank="species" species="weynsi">C. weynsi</taxonomicName>
), which was formerly classified as a subspecies of Peterss Duiker. Monotypic.
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF690022F9FEFC1BF8B6" pageId="153" pageNumber="724" type="distribution">
<caption id="DF23E68D99D2FF690022F9FEFC1BF8B6" ID-DOI="http://doi.org/10.5281/zenodo.6512863" ID-Zenodo-Dep="6512863" httpUri="https://zenodo.org/record/6512863/files/figure.png" inLine="true" pageId="153" pageNumber="724" targetBox="[202,796,1467,1884]" targetPageId="153">
<paragraph id="8BE3B60599D2FF690022F9FEFC1BF8B6" blockId="153.[819,1406,1464,1887]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF690022F9FEFC0EF918" bold="true" box="[820,995,1660,1689]" pageId="153" pageNumber="724">Distribution.</emphasis>
S
<collectingCountry id="F34BF69599D2FF690705F9FEFB4AF918" box="[1043,1191,1660,1689]" name="Cameroon" pageId="153" pageNumber="724">Cameroon</collectingCountry>
E to SW
<collectingCountry id="F34BF69599D2FF690628F9FEFBB7F940" name="Central African Republic" pageId="153" pageNumber="724">Central African Republic</collectingCountry>
and
<collectingCountry id="F34BF69599D2FF6907B3F926FC79F969" name="Republic of the Congo" pageId="153" pageNumber="724">Republic of the Congo</collectingCountry>
, S to
<collectingCountry id="F34BF69599D2FF6900E2F949FB11F969" box="[1012,1276,1739,1768]" name="Equatorial Guinea" pageId="153" pageNumber="724">Equatorial Guinea</collectingCountry>
and
<collectingCountry id="F34BF69599D2FF690646F949FC81F88E" name="Gabon" pageId="153" pageNumber="724">Gabon</collectingCountry>
; bounded to the E by the
<collectingCountry id="F34BF69599D2FF6907F4F96CFAD3F88E" box="[1250,1342,1774,1807]" name="Democratic Republic of the Congo" pageId="153" pageNumber="724">Congo</collectingCountry>
and Ubangirivers.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="C346E58E99D2FF690022F8BBF6F0FE07" pageId="153" pageNumber="724" type="description">
<paragraph id="8BE3B60599D2FF690022F8BBF6F0FE07" blockId="153.[819,1406,1464,1887]" lastBlockId="153.[1474,2679,279,2319]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF690022F8BBFBACF8DE" bold="true" box="[820,1089,1849,1887]" pageId="153" pageNumber="724">Descriptive notes.</emphasis>
Head-body 101-2
<quantity id="4CA41BE099D2FF6903C6F8EBFEC2F807" box="[208,303,1897,1926]" metricMagnitude="0" metricUnit="m" metricValue="1.35" pageId="153" pageNumber="724" unit="cm" value="135.0">135 cm</quantity>
, tail 13-16.
<quantity id="4CA41BE099D2FF6902CCF8EBFDC9F807" box="[474,548,1897,1926]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="153" pageNumber="724" unit="cm" value="5.0">5 cm</quantity>
, shoulder height 50-576 cm; weight 17.2-26.
<quantity id="4CA41BE099D2FF6907ACF8EBFB11F807" box="[1210,1276,1897,1926]" metricMagnitude="0" metricUnit="kg" metricValue="9.0" pageId="153" pageNumber="724" unit="kg" value="9.0">9 kg</quantity>
. Females are generally larger than males. General color is reddish-brown but can range from tawny to a rich russet or even dark brown. Central African populations tend to be darker than western forms. A thin black dorsal line begins between the shoulders and runs along the spine to the rump, typically expanding onto the haunches and hindlegs so that the entire rump (including the tail) is dark. The legs, shoulders, neck, and face are dark in some individuals. The belly is paler than the rest of the body. The head lacks distinct markings, except for two white spots (0.8-1 cm in diameter) just above and behind each eye. The forehead is reddish-brown, and a rich russet-colored tuft of hair is present on the top of the head. The ears are whitish inside, with a black and white band at the edges. Horns, present in both sexes, are short, pointed, and in line with the face. They are 6.2-9.
<quantity id="4CA41BE099D2FF690473FE95F84AFEB9" box="[1893,1959,279,312]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="153" pageNumber="724" unit="cm" value="1.0">1 cm</quantity>
long in males, 4.5-8 cm long in females. The skull is very heavily reinforced at the forehead, with the frontal bone in males up to 1-8 cm thick. Dental formulais10/3,C0/1,P 3/3, M 3/3 (x2) = 32.
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF6906D2FE0FF7A3FDF3" pageId="153" pageNumber="724" type="biology_ecology">
<paragraph id="8BE3B60599D2FF6906D2FE0FF7A3FDF3" blockId="153.[1474,2679,279,2319]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF6906D2FE0FF9DEFE2F" bold="true" box="[1476,1587,397,430]" pageId="153" pageNumber="724">Habitat.</emphasis>
Moist lowland equatorial forests. Peterss Duiker avoids outlying riverine strips and gallery forests. Dense undergrowth is needed for shelter; individuals flee to dense thickets if disturbed. This species therefore does well in forests regenerating after logging. Density estimates from line transects in the
<collectingCountry id="F34BF69599D2FF690B9BFD81F602FDA5" box="[2189,2543,515,548]" name="Central African Republic" pageId="153" pageNumber="724">Central African Republic</collectingCountry>
were 0-9 ind/km? and 0-9—4-4 ind/km?*from net encounters. Densities in other areas may be as low as 0-6 ind/km? to as high as 15-5 ind/km?*.
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF6906D2FDFFF757FB18" pageId="153" pageNumber="724" type="food_feeding">
<paragraph id="8BE3B60599D2FF6906D2FDFFF757FB18" blockId="153.[1474,2679,279,2319]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF6906D2FDFFF921FD1B" bold="true" box="[1476,1740,637,666]" pageId="153" pageNumber="724">Food and Feeding.</emphasis>
One of the most completely frugivorous duikers. Fruit comprises, on average, 79-89-6% of the diet by dry weight based on examination of stomach contents. Other dietary components include leaves, petioles, and stems (7-9-16:2%). Flowers, fungi, and animal matter (principally insects) are found much less frequently (in fewer than 50% of animals sampled), and comprise less than 1% of the diet. Fruit consumption is lowest and leaf ingestion highest from March to May (the short rainy season). Peterss Duikeris specialized in feeding on small fruits: 40-2% of fruits consumed are 1-2 cm in diameter, and 77-2% are 0.5-3 cm. Critical size for swallowing fruits whole is 2-3 cm. Fruits from 55 plant species have been identified in the diet; favored species include Xylopia hypolampra, Cylindropsis parvifolia, Canarium schweinfurtha, Klainedoxa gabonensis, Coelocaryon preussii, Pycnanthus
<taxonomicName id="4C5CCD8699D2FF690BA1FB84F6D4FBA2" box="[2231,2361,1030,1059]" class="Liliopsida" family="Commelinaceae" genus="Commelina" kingdom="Plantae" order="Commelinales" pageId="153" pageNumber="724" phylum="Tracheophyta" rank="species" species="angolensis">angolensis</taxonomicName>
, and Staudtia stipitata. Unweaned animals eat much less fruit and significantly more leaves than adults. A Peterss Duiker in the
<collectingCountry id="F34BF69599D2FF6905C9FBD3F7D2FBF3" box="[1759,2111,1105,1138]" name="Central African Republic" pageId="153" pageNumber="724">Central African Republic</collectingCountry>
was observed actively (and successfully) hunting young Hartlaubs ducks (Pteronetta hartlaubur).
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF6906D3FB22F983FA2C" pageId="153" pageNumber="724" type="breeding">
<paragraph id="8BE3B60599D2FF6906D3FB22F983FA2C" blockId="153.[1474,2679,279,2319]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF6906D3FB22F9A6FB40" bold="true" box="[1477,1611,1184,1217]" pageId="153" pageNumber="724">Breeding.</emphasis>
Breeds continually throughout the year, but birth peaks have been noted in May-June and December. These peaks correspond with the early months of the two dry seasons, when the quantity and quality (protein content) offruits are highest. The gestation period is estimated at 240 days, based on that for the similarly sized Eastern
<collectingRegion id="499878E799D2FF6906D0FABFFA1AFADF" box="[1478,1527,1341,1374]" country="Somalia" name="Bay" pageId="153" pageNumber="724">Bay</collectingRegion>
Duiker (
<taxonomicName id="4C5CCD8699D2FF69056DFABFF8C8FADF" baseAuthorityName="Thomas" baseAuthorityYear="1892" box="[1659,1829,1341,1374]" class="Mammalia" family="Bovidae" genus="Cephalophus" kingdom="Animalia" order="Artiodactyla" pageId="153" pageNumber="770" phylum="Chordata" rank="species" species="castaneus">C. castaneus</taxonomicName>
). Infants weigh approximately
<quantity id="4CA41BE099D2FF690BC8FABFF6F7FADF" box="[2270,2330,1341,1374]" metricMagnitude="0" metricUnit="kg" metricValue="3.0" pageId="153" pageNumber="724" unit="kg" value="3.0">3 kg</quantity>
at birth, and are darker in color than adults but with paler forequarters. The dorsal stripe is already apparent in neonates.
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF6906D5FA31F7DBF918" pageId="153" pageNumber="724" type="activity">
<paragraph id="8BE3B60599D2FF6906D5FA31F7DBF918" blockId="153.[1474,2679,279,2319]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF6906D5FA31F943FA55" bold="true" box="[1475,1710,1459,1492]" pageId="153" pageNumber="724">Activity patterns.</emphasis>
Strictly diurnal, risingjust before sunrise (5:15-6:00 h) and bedding down just after sunset (18:30-19:00 h). Peterss Duiker often rests in dense thickets during the middle of the day (such rests last for an average of 51 minutes). Both thickets and more open areas may be used at night. Rumination generally occurs at night, based on piles of regurgitated fruit stones around resting areas. Neither daytime nor night-time resting areas appear to be reused.
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF6906D3F921F7D7F8B7" pageId="153" pageNumber="724" type="biology_ecology">
<paragraph id="8BE3B60599D2FF6906D3F921F7D7F8B7" blockId="153.[1474,2679,279,2319]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF6906D3F921F793F941" bold="true" box="[1477,2174,1699,1728]" pageId="153" pageNumber="724">Movements, Home range and Social organization.</emphasis>
There is an active social system and polygynous social structure. Daily movements of
<quantity id="4CA41BE099D2FF690B98F944F71BF966" box="[2190,2294,1734,1767]" metricMagnitude="3" metricUnit="m" metricValue="3.0" metricValueMax="4.0" metricValueMin="2.0" pageId="153" pageNumber="724" unit="km" value="3.0" valueMax="4.0" valueMin="2.0">2—4 km</quantity>
are typical. Adult females inhabit home ranges approximately 0-4 km?* the home range of one adult male was 0-36 km?*. Males are believed to be territorial.
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF6906D0F8C2F625F719" pageId="153" pageNumber="724" type="conservation">
<paragraph id="8BE3B60599D2FF6906D0F8C2F625F719" blockId="153.[1474,2679,279,2319]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF6906D0F8C2F8C9F8DC" bold="true" box="[1478,1828,1856,1885]" pageId="153" pageNumber="724">Status and Conservation.</emphasis>
Classified as Least Concern on The IUCN Red List. The total population of this speciesis estimated at 382,000; it is widespread and locally common. Peterss Duiker is known for dense populations that regenerate rapidly. Primary threats are hunting and habitat loss due to human settlement. Peterss Duikeris especially affected by snare hunting. In the
<collectingCountry id="F34BF69599D2FF690499F858F71EF87A" box="[1935,2291,2010,2043]" name="Central African Republic" pageId="153" pageNumber="724">Central African Republic</collectingCountry>
, this species accounted for 29% of all animals captured in snares and 56% of captures by weight; hunters calculate their total returns in Peterss Duiker units. The rate of snare hunting does not appear to be sustainable for this species, even under the most optimistic of circumstances. Unless mediatory actions are taken, Peterss Duiker could decline drastically.
</paragraph>
</subSubSection>
<subSubSection id="C346E58E99D2FF6906D1F72AF9E5F68E" pageId="153" pageNumber="724" type="bibRefCitation_list">
<paragraph id="8BE3B60599D2FF6906D1F72AF9E5F68E" blockId="153.[1474,2679,279,2319]" pageId="153" pageNumber="724">
<emphasis id="B9286A1799D2FF6906D1F72AF98DF740" bold="true" box="[1479,1632,2216,2241]" pageId="153" pageNumber="724">Bibliography.</emphasis>
Dubost (1984), Dubost &amp; Feer (1992), East (1999), Feer (1989a, 1995), Happold (1973), IUCN/ SSC Antelope Specialist Group (2008a), Kingdon (1997), Noss (1998a, 1998b), Walther (199a0), Wilson (1987, 2001).
</paragraph>
</subSubSection>
</treatment>
</document>