Sampling understory birds in different habitat types using point counts and camera traps

Fontúrbel, Francisco E.; Rodríguez‐Gómez, Gloria B.; Fernández, Nerea Ponte; García, Beñat; Orellana, José I.; Castaño‐Villa, Gabriel J.

doi:10.1016/j.ecolind.2020.106863

Cited by 28 publications

(26 citation statements)

References 38 publications

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“…Thornton et al (2012) compared camera trapping with audiovisual surveys specifically for Highland Tinamou and found camera trapping to be much more effective as it allowed for data collection during the nocturnal and crepuscular periods when the species is active. Fontúrbel et al (2020) compared point counts and camera trapping for general bird surveys and found that while point counts recorded more species overall, camera trapping provided additional value in that it was less biased towards large-bodied or conspicuous species and picked up species active outside of standard survey periods, and that therefore survey results were better when both methods were used simultaneously.…”

Section: Discussionmentioning

confidence: 99%

Bird species inventory in secondary tropical montane cloud forest at Cloudbridge Nature Reserve, Talamanca Mountains, Costa Rica

Powell¹,

Slifkin²,

Spooner³

et al. 2022

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The tropical montane cloud forests (TMCF) of the Talamanca Mountains of Costa Rica are a unique and understudied habitat that is home to a high number of endemic bird species. Cloudbridge Nature Reserve is a TMCF reforestation reserve lying on the Pacific slope of Cerro Chirripó in the cantón of Pérez Zeledón. Here, we synthesize data collected at Cloudbridge between March 2016 and May 2020 from multi-year point count, walking, call-playback, and camera trap surveys along with photographs collected from February 2007 to April 2021 to present a bird species inventory of the reserve. In total, 204 bird species from 40 families, including 40 endemic species, were identified, and monthly presence summarized for each species. We discuss the implications of our findings for understanding TMCF avian communities, as well as the importance of year-round surveys using a variety of techniques to better capture overall avian diversity.

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Section: Discussionmentioning

confidence: 99%

Bird species inventory in secondary tropical montane cloud forest at Cloudbridge Nature Reserve, Talamanca Mountains, Costa Rica

Powell¹,

Slifkin²,

Spooner³

et al. 2022

CheckList

View full text Add to dashboard Cite

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“…As an example, hornbills are known to fly great distances every day to forage (Poonswad 1998). As some bird species are inconspicuousness due to their size and vocalizations they are often difficult to identify, which may be another reason for such higher level of uncertainty between the taxa (Whitworth et al 2016, Fontúrbel et al 2020. While indigenous forest-dependent communities hold an intimate knowledge of their surrounding flora and fauna to the point of ecologically explaining importance of certain species for the ecosystem, they are nevertheless susceptible to misidentification (Silva de Oliveira and Dario 2018).…”

Section: Discussionmentioning

confidence: 99%

“…Due to high costs and logistical issues, camera traps are seldom used to study wide-ranging species as it requires spacing camera traps over large areas that go beyond the financial scope of most studies (Foster and Harmsen 2012). Though successfully used in detecting inconspicuous and rare bird and arboreal species in tropical forests, camera-trap data were found to consistently record fewer species when compared to point-transects due to limitations arising from their static observation points, differences in animal's activity budget and inability to calculate density estimates (Whitworth et al 2016, Fontúrbel et al 2020.…”

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confidence: 99%

Leveraging local knowledge to estimate wildlife densities in bornean tropical rainforests

Ahmad¹,

Gary²,

Rodiansyah³

et al. 2021

Wildlife Biology

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Wildlife managers and researchers need to understand the status of the wildlife populations they are trying to conserve. Though various methods have been developed to monitor wildlife in their natural habitats, the complexity and accessibility of most techniques often limit their usability. Such techniques often take significant resources and time to deliver results, and methodological noncompliance may lower the reliability of results. Given this need to study wildlife populations reliably, quickly and within financial and human resource constraints faced by wildlife managers, we assessed the reliability and effort required to carry the pooling local expert opinion (PLEO) method as articulated by Hoeven et al. (2004). We did this by comparing density estimates of several wildlife species derived by following the PLEO method with those estimated using a conventional method along with results from the literature on wildlife monitoring studies from Bornean rainforests. Our analysis shows that the PLEO methodology provides an effective and complementary tool to estimate wildlife densities in tropical rainforests. We suggest that by incorporating the PLEO methodology into regular monitoring activity, conservation NGOs can create a platform that allows for participatory wildlife monitoring and create the platform to involve local communities in biodiversity conservation.

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“…In in situ conservation, camera traps are a very valuable tool for field-studies aimed at establishing animal activities in a specified area and this is by and large non-invasive [ 257 , 258 ]. A very useful paper by Randler and Kalb compared different camera traps specifically designed for birds at different distances and indicated also the best settings [ 259 ].…”

Section: Solutionsmentioning

confidence: 99%

Casting the Net Widely for Change in Animal Welfare: The Plight of Birds in Zoos, Ex Situ Conservation, and Conservation Fieldwork

Kaplan

2021

Animals

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This paper discusses paradoxes in our relationship to and treatment of birds in captive and conservation contexts. The paper identifies modern and new challenges that arise from declining bird numbers worldwide. Such challenges have partly changed zoos into providers of insurance populations specifically for species at risk of extinction. They have also accelerated fieldwork projects, but by using advanced technological tools and in increasing numbers, contradictorily, they may cause serious harm to the very birds studied for conservation purposes. In practice, very few avian species have any notable protection or guarantee of good treatment. The paper first deals with shortcomings of identifying problematic avian behavior in captive birds. It then brings together specific cases of field studies and captive breeding for conservation in which major welfare deficits are identified. Indeed, the paper argues that avian welfare is now an urgent task. This is not just because of declining bird numbers but because of investment in new technologies in field studies that may have introduced additional stressors and put at risk bird survival. While the paper documents a substantial number of peer-reviewed papers criticizing practices counter to modern welfare standards, they have by and large not led to changes in some practices. Some solutions are suggested that could be readily implemented and, to my knowledge, have never been considered under a welfare model before.

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Sampling understory birds in different habitat types using point counts and camera traps

Cited by 28 publications

References 38 publications

Bird species inventory in secondary tropical montane cloud forest at Cloudbridge Nature Reserve, Talamanca Mountains, Costa Rica

Bird species inventory in secondary tropical montane cloud forest at Cloudbridge Nature Reserve, Talamanca Mountains, Costa Rica

Leveraging local knowledge to estimate wildlife densities in bornean tropical rainforests

Casting the Net Widely for Change in Animal Welfare: The Plight of Birds in Zoos, Ex Situ Conservation, and Conservation Fieldwork

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