• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Difference between revisions of "Crowned Hornbill" - BirdForum Opus

(Picture of female. Distribution, Taxonomy & Habitat expanded. . References)
Line 1: Line 1:
[[Image:Crowned_Hornbill.jpg|thumb|550px|right|Photo by safariranger <br>Photo taken: South Luangwa Nat. Park, Zambia]]
+
[[Image:Crowned_Hornbill.jpg|thumb|500px|right|Photo by safariranger <br />[[South Luangwa National Park]], [[Zambia]]]]
 
;[[:Category:Tockus|Tockus]] alboterminatus
 
;[[:Category:Tockus|Tockus]] alboterminatus
 
==Identification==
 
==Identification==
Line 11: Line 11:
 
*Casque on the upper mandible (females have smaller casque)
 
*Casque on the upper mandible (females have smaller casque)
 
==Distribution==
 
==Distribution==
Sub-Saharan [[Africa]] east of 10&deg;E.
+
Sub-Saharan [[Africa]] east of 10&deg;E.<br />
 +
[[Image:12368Crowned Hornbill F2.jpg|thumb|350px|right|Female<br />Photo by {{user|rudydbn|rudydbn}}<br />Pennington, [[KwaZulu-Natal]], August 2004]]
 +
'''Western Africa''': [[Equatorial Guinea]], [[Democratic Republic of Congo]] and [[Angola]]<br />
 +
'''Eastern Africa''': [[Sudan]], [[Ethiopia]], [[Somalia]], [[Kenya]], [[Uganda]], [[Rwanda]], [[Burundi]], [[Tanzania]], [[Zanzibar]], [[Zambia]], [[Mozambique]] and [[Malawi]]<br />
 +
'''Southern Africa''': [[Namibia]], [[Zimbabwe]], [[South Africa]], [[KwaZulu-Natal]] and [[Swaziland]]
 
==Taxonomy==
 
==Taxonomy==
''Tockus alboterminatus'' has three subspecies:
+
This is a [[Dictionary_M-S#M|monotypic]] species<sup>[[#References|[1]]]</sup>.
*''T. a. alboterminatus'';
+
 
*''T. a. geloensis''; and
+
Three subspecies ''alboterminatus'', ''geloensis'' and ''suahelicus'' are not generally recognised<sup>[[#References|[2]]]</sup>.
*''T. a. suahelicus''.
 
 
==Habitat==
 
==Habitat==
Riverine and coastal forests.
+
Inland, coastal, highland and riverine evergreen forests; coastal dunes and mixed grassland forest areas.
 
==Behaviour==
 
==Behaviour==
 +
====Diet====
 
The diet includes aerially hawked insects, small rodents, frogs, seeds and fruits.  
 
The diet includes aerially hawked insects, small rodents, frogs, seeds and fruits.  
 
+
====Breeding====
4-5 white eggs are laid and are incubated for 25-30 days; the young fledge about 8 weeks later.
+
The 4-5 white eggs are incubated for 25-30 days; the young fledge about 8 weeks later.
 
 
 
==References==
 
==References==
Wikipedia
+
#{{Ref-Clements6thAug11}}#Avibase
 +
#BF Member observations
 +
#Wikipedia
 +
{{ref}}
 
==External Links==
 
==External Links==
 
{{GSearch|Tockus+alboterminatus}}  
 
{{GSearch|Tockus+alboterminatus}}  
  
 
[[Category:Birds]] [[Category:Tockus]]
 
[[Category:Birds]] [[Category:Tockus]]

Revision as of 22:45, 2 November 2011

Photo by safariranger
South Luangwa National Park, Zambia
Tockus alboterminatus

Identification

50-54 cm.

  • Black back
  • Black wings
  • White belly
  • White tipped, long tail feathers
  • Yellow iris
  • Red bill
  • Casque on the upper mandible (females have smaller casque)

Distribution

Sub-Saharan Africa east of 10°E.

Female
Photo by rudydbn
Pennington, KwaZulu-Natal, August 2004

Western Africa: Equatorial Guinea, Democratic Republic of Congo and Angola
Eastern Africa: Sudan, Ethiopia, Somalia, Kenya, Uganda, Rwanda, Burundi, Tanzania, Zanzibar, Zambia, Mozambique and Malawi
Southern Africa: Namibia, Zimbabwe, South Africa, KwaZulu-Natal and Swaziland

Taxonomy

This is a monotypic species[1].

Three subspecies alboterminatus, geloensis and suahelicus are not generally recognised[2].

Habitat

Inland, coastal, highland and riverine evergreen forests; coastal dunes and mixed grassland forest areas.

Behaviour

Diet

The diet includes aerially hawked insects, small rodents, frogs, seeds and fruits.

Breeding

The 4-5 white eggs are incubated for 25-30 days; the young fledge about 8 weeks later.

References

  1. Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
  2. Avibase
  3. BF Member observations
  4. Wikipedia

Recommended Citation

External Links

Back
Top