Breeding success of a colony of Boat-billed Herons Cochlearius cochlearius (Ciconiiformes: Ardeidae) in pasturelands of Costa Rica
The breeding success of a double-brooding colony of Boat-billed Herons Cochlearius cochlearius was studied in pasturelands of Costa Rica. Mean clutch size in the first clutches (2.9 eggs/nest) was higher than in second and repeat clutches (2.3 eggs/nest). Breeding success was similar in the first at...
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| Format: | Article |
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Vicerractoría Investigación
2006-12-01
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| Series: | Revista de Biología Tropical |
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| Online Access: | http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442006000400010 |
| _version_ | 1797759992494817280 |
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| author | Jaime Gómez José A Gil-Delgado Juan S Monrós |
| author_facet | Jaime Gómez José A Gil-Delgado Juan S Monrós |
| author_sort | Jaime Gómez |
| collection | DOAJ |
| description | The breeding success of a double-brooding colony of Boat-billed Herons Cochlearius cochlearius was studied in pasturelands of Costa Rica. Mean clutch size in the first clutches (2.9 eggs/nest) was higher than in second and repeat clutches (2.3 eggs/nest). Breeding success was similar in the first attempt and second attempts(20.7 % and 21.7 %, respectively). In both attempts earlier nests enjoyed a higher breeding success. Starvation of the youngest chicks within the nest and destruction of nests by bad weather conditions were the main factors related to nestling death. No effects of human activity on the reproduction of the breeding colony were observed. Rev. Biol. Trop. 54 (4): 1131-1134. Epub 2006 Dec. 15<br>Estudiamos el éxito reproductivo de una colonia del ave Cochlearius cochlearius en una zona ganadera de Costa Rica. El promedio de huevos por nido fue mayor durante el periodo de primeras puestas (2.9 huevos/nido) que durante el periodo de segundas puestas y reposiciones (2.3 huevos/nido). El éxito reproductor de los dos periodos fue similar (20.7 % y 21.7 %, respectivamente). En ambos tuvieron más éxito las parejas que comenzaron la puesta antes. Las principales causas de mortandad fueron inanición de los pollos más jóvenes del nido y la destrucción de los nidos debido a condiciones climáticas adversas. No notamos efectos adversos por la actividad humana |
| first_indexed | 2024-03-12T18:52:25Z |
| format | Article |
| id | doaj.art-36f411b2fb3241478ee1bfdd77f85e12 |
| institution | Directory Open Access Journal |
| issn | 0034-7744 2215-2075 |
| language | English |
| last_indexed | 2024-03-12T18:52:25Z |
| publishDate | 2006-12-01 |
| publisher | Vicerractoría Investigación |
| record_format | Article |
| series | Revista de Biología Tropical |
| spelling | doaj.art-36f411b2fb3241478ee1bfdd77f85e122023-08-02T07:09:57ZengVicerractoría InvestigaciónRevista de Biología Tropical0034-77442215-20752006-12-0154411311134Breeding success of a colony of Boat-billed Herons Cochlearius cochlearius (Ciconiiformes: Ardeidae) in pasturelands of Costa RicaJaime GómezJosé A Gil-DelgadoJuan S MonrósThe breeding success of a double-brooding colony of Boat-billed Herons Cochlearius cochlearius was studied in pasturelands of Costa Rica. Mean clutch size in the first clutches (2.9 eggs/nest) was higher than in second and repeat clutches (2.3 eggs/nest). Breeding success was similar in the first attempt and second attempts(20.7 % and 21.7 %, respectively). In both attempts earlier nests enjoyed a higher breeding success. Starvation of the youngest chicks within the nest and destruction of nests by bad weather conditions were the main factors related to nestling death. No effects of human activity on the reproduction of the breeding colony were observed. Rev. Biol. Trop. 54 (4): 1131-1134. Epub 2006 Dec. 15<br>Estudiamos el éxito reproductivo de una colonia del ave Cochlearius cochlearius en una zona ganadera de Costa Rica. El promedio de huevos por nido fue mayor durante el periodo de primeras puestas (2.9 huevos/nido) que durante el periodo de segundas puestas y reposiciones (2.3 huevos/nido). El éxito reproductor de los dos periodos fue similar (20.7 % y 21.7 %, respectivamente). En ambos tuvieron más éxito las parejas que comenzaron la puesta antes. Las principales causas de mortandad fueron inanición de los pollos más jóvenes del nido y la destrucción de los nidos debido a condiciones climáticas adversas. No notamos efectos adversos por la actividad humanahttp://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442006000400010Chocuaco pico cucharaCochlearius cochleariusdepredación, inaniciónmolestias humanastamaño de puestaboat-billed HeronCochlearius cochleariushuman activityclutch sizepredationstarvation |
| spellingShingle | Jaime Gómez José A Gil-Delgado Juan S Monrós Breeding success of a colony of Boat-billed Herons Cochlearius cochlearius (Ciconiiformes: Ardeidae) in pasturelands of Costa Rica Revista de Biología Tropical Chocuaco pico cuchara Cochlearius cochlearius depredación, inanición molestias humanas tamaño de puesta boat-billed Heron Cochlearius cochlearius human activity clutch size predation starvation |
| title | Breeding success of a colony of Boat-billed Herons Cochlearius cochlearius (Ciconiiformes: Ardeidae) in pasturelands of Costa Rica |
| title_full | Breeding success of a colony of Boat-billed Herons Cochlearius cochlearius (Ciconiiformes: Ardeidae) in pasturelands of Costa Rica |
| title_fullStr | Breeding success of a colony of Boat-billed Herons Cochlearius cochlearius (Ciconiiformes: Ardeidae) in pasturelands of Costa Rica |
| title_full_unstemmed | Breeding success of a colony of Boat-billed Herons Cochlearius cochlearius (Ciconiiformes: Ardeidae) in pasturelands of Costa Rica |
| title_short | Breeding success of a colony of Boat-billed Herons Cochlearius cochlearius (Ciconiiformes: Ardeidae) in pasturelands of Costa Rica |
| title_sort | breeding success of a colony of boat billed herons cochlearius cochlearius ciconiiformes ardeidae in pasturelands of costa rica |
| topic | Chocuaco pico cuchara Cochlearius cochlearius depredación, inanición molestias humanas tamaño de puesta boat-billed Heron Cochlearius cochlearius human activity clutch size predation starvation |
| url | http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442006000400010 |
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