Citation
Ismail Mamat, . and Siti Hawa Yatim, . Demography and reproduction study of the night heron at Sungai Tebuk Kuala Kurau Perak. pp. 94-98. ISSN 0121-8126
Abstract
The survey was conducted at Sungai Tebuk Parit 30 Kuala Kurau Perak from Nov 15 -19 1989. The heronry was estimated to be 14 350 m2 where a total of 6 794 nests were counted with 3 477 eggs newly hatched youngs 1 458 young with down feathers 8 76 young showing early stage of growth in wing primaries (lntermediate) 1 362 and fully-fledged youngs 224. The mortalily was found to be 2.15 while 97.85 survived. Twenty five percent of lhe total number of nests contained eggs while 69.11170 contained hatchlings and 5.9 percent of the nests were inactive. The average number of eggs in each nest was found to be 2.0 and the nest density was found to be 0.47 nest/m. The number of young which batch successfully from the estimated 12 754 breeding birds was estimated to be 14 597.
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Abstract
The survey was conducted at Sungai Tebuk Parit 30 Kuala Kurau Perak from Nov 15 -19 1989. The heronry was estimated to be 14 350 m2 where a total of 6 794 nests were counted with 3 477 eggs newly hatched youngs 1 458 young with down feathers 8 76 young showing early stage of growth in wing primaries (lntermediate) 1 362 and fully-fledged youngs 224. The mortalily was found to be 2.15 while 97.85 survived. Twenty five percent of lhe total number of nests contained eggs while 69.11170 contained hatchlings and 5.9 percent of the nests were inactive. The average number of eggs in each nest was found to be 2.0 and the nest density was found to be 0.47 nest/m. The number of young which batch successfully from the estimated 12 754 breeding birds was estimated to be 14 597.
Additional Metadata
| Item Type: | Article |
|---|---|
| AGROVOC Term: | Nycticorax nycticorax |
| AGROVOC Term: | Herons |
| AGROVOC Term: | Birds |
| AGROVOC Term: | Surveys |
| AGROVOC Term: | Rivers |
| AGROVOC Term: | Demography |
| AGROVOC Term: | Reproduction |
| AGROVOC Term: | Body size |
| AGROVOC Term: | Animal breeding |
| AGROVOC Term: | Bird nests |
| Depositing User: | Mr. AFANDI ABDUL MALEK |
| Last Modified: | 24 Apr 2025 00:54 |
| URI: | http://webagris.upm.edu.my/id/eprint/8526 |
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