Small Things Matter: The Value of Rapid Biodiversity Surveys to Understanding Local Bird Diversity Patterns in Southcentral Mindanao, Philippines

Tanalgo, Krizler Cejuela; Achondo, Marion John Michael; Hughes, Alice C.

doi:10.1177/1940082919869482

Cited by 18 publications

(15 citation statements)

References 77 publications

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“…Tanalgo and colleagues (2019) mentioned that intact native forests are valuable habitats for endemic birds. Endemic birds are also reported to prefer foraging on native trees (Paker et al 2014;Tanalgo et al 2019). Since green spaces surveyed were minimally composed of native plant species at the time of sampling; thus, low endemism was noted.…”

Section: Discussionmentioning

confidence: 99%

Diversity of Bird Species in Urban Green Spaces of Davao City, Mindanao, Philippines

Banzon¹,

Pingoy²,

Rosa³

et al. 2022

Philipp J Sci

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The value of urban green spaces as important habitats for the maintenance of diverse wildlife species is not well explored in the Philippines. Data on bird diversity in urban areas like Davao City is very scant. Thus, the study documented bird species diversity in 15 urban green spaces of Davao City. These areas were previously not surveyed based on published literature. This study is also the first attempt to determine the correlation between green space size and Shannon diversity values. Green spaces were pre-selected, and bird censuses following a zigzag walk across each green space were conducted from October–December 2019. Coordinates of surveyed areas plotted on a digital map were used to estimate green space size. Diversity values were calculated using Shannon and Simpson indices. Pearson r correlation was employed to calculate the correlation between green space size and Shannon diversity values. Fifty-three (53) species (32 families) were accounted for, with 28 species added to the current list of birds from Davao City’s urban green spaces. Endemism was relatively low across all sites (17%). Only four species were common in all sites – namely, Passer montanus, Lanius cristatus, Cinnyris jugularis, and Pycnonotus goiavier. Shannon diversity values varied across sites (highest H' = 3.128, lowest H' = 1.688) and showed a positive correlation (r = 0.54) with green space size. Despite positive correlation, larger green spaces do not necessarily have the highest Shannon diversity values, suggesting that bird diversity in urban green spaces may be influenced by other factors. This warrants verification in the future to include studies on green space vegetation and complexity, noise level, and impact of anthropogenic activities.

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Section: Discussionmentioning

confidence: 99%

Diversity of Bird Species in Urban Green Spaces of Davao City, Mindanao, Philippines

Banzon¹,

Pingoy²,

Rosa³

et al. 2022

Philipp J Sci

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“…For example, the size of the flock positively affected the FID of P. montanus, but had a negative effect on the FID of G. striata. The larger flock formation may explain this in P. montanus compared to G. striata , which often occurs singly or in pairs [ 35 ]. The flock size of animals is positively related to the early warning communication strategy of the individuals in the group, especially with highly social species [ 24 ].…”

Section: Discussionmentioning

confidence: 99%

“…Our study focused on the escape strategy of two cosmopolitan urban bird species in Southcentral Mindanao, namely, the Eurasian tree sparrow ( P. montanus ) and the Zebra dove ( G. striata ) [ 34 , 35 ]. The Eurasian tree sparrow is a small (14–15 cm in body length) and diurnal urban species, characterized by its black patch with a pure white cheek, chestnut crown, and nape.…”

Section: Methodsmentioning

confidence: 99%

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Uncovering the Effects of COVID-19 Mask Wearing on Bird Flight Initiation Distance in Urbanized Areas in the Southern Philippines

Fabrero

Manceras

Agduma

et al. 2023

Animals

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The COVID-19 pandemic has caused significant changes in public and human activities worldwide, including using masks and reducing human interaction. These changes have also affected wildlife behavior, especially in urban areas. However, there is limited understanding of the impact of COVID-19-related human activities, mainly mask wearing, on the behavior of urban bird species. This case is intriguing in the Philippines, where COVID-19 restrictions and mask wearing have been more prolonged than in other countries. We studied two common urban bird species (Geopelia striata and Passer montanus) in Southcentral Mindanao, Philippines, to assess their response to mask wearing by examining their alert distance (AD) and flight initiation distance (FID). We found that birds had a reduced FID to mask wearing, but only significantly in G. striata (Zebra Doves) and not in P. montanus (Eurasian tree sparrow). The effect of the variables related to urbanization on FID was contrasting. For example, ambient noise increased bird vigilance while proximity to roads reduced bird FID in urbanized areas, but their effects were weaker compared to mask wearing. We conclude that mask wearing during the COVID-19 pandemic is a significant environmental element that alters bird escape responses in urban areas, and the effects may be species-specific.

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“…Given more time to do the sampling, more species will be recorded in the Arayat study area. Although the importance of rapid biodiversity surveys should also not be overlooked as they address the lack of baseline biodiversity information (Tanalgo et al, 2019), especially in critical areas such as Arayat and Edera.…”

Section: General Profile Of Terrestrial Vertebrates Recorded In Araya...mentioning

confidence: 99%

Terrestrial vertebrates in modified landscapes in northeastern Mindanao, Philippines

Quibod¹,

Alcantara

Bechayda

et al. 2021

JAD

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Dinagat Islands hold most of the mineral deposits in the Philippines and have been among the largest mining contributors in the country since 1939. Aside from a massive mining industry, logging is also intensive in this group of islands potentially imperiling its remaining biodiversity. This study primarily aims to determine the species composition of terrestrial vertebrates (amphibians, reptiles, birds, mammals) in two study areas categorized as modified habitats (mining area and logging area) in the Dinagat Islands. These wildlife species are important bio-indicators as they show sensitivity of the species to anthropogenic disturbances. Suitable field survey methods were conducted for the taxa established and a quantitative analysis was performed to determine the diversity and similarity of the species between the study areas. A total of 65 species were identified in the two study areas: 33 species were exclusively identified in the mining area, 49 species were exclusively identified in the logging area, and 17 species were found in both study areas. It should be noted that among the 65 species, 41 species are either endemic to Mindanao and/or the Philippines, and two species were endemic to Dinagat Islands. This study also recorded the newly described coral snake endemic to the island, Calliophis salitan Brown, Smart, Leviton and Smith. This study indicates that although Dinagat Islands is modified by anthropogenic activities, the terrestrial vertebrate species are thriving. Intensive survey in other modified habitats in Dinagat Islands is the next-step forward to take into account existing wildlife to improve conservation decisions, planning and management on the islands.

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Small Things Matter: The Value of Rapid Biodiversity Surveys to Understanding Local Bird Diversity Patterns in Southcentral Mindanao, Philippines

Cited by 18 publications

References 77 publications

Diversity of Bird Species in Urban Green Spaces of Davao City, Mindanao, Philippines

Diversity of Bird Species in Urban Green Spaces of Davao City, Mindanao, Philippines

Uncovering the Effects of COVID-19 Mask Wearing on Bird Flight Initiation Distance in Urbanized Areas in the Southern Philippines

Terrestrial vertebrates in modified landscapes in northeastern Mindanao, Philippines

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