A non-hermit hummingbird as main pollinator for ornithophilous plants in two isolated forest fragments of the Cerrados

Matias, Renan Augusto Miranda; Maruyama, Pietro Kiyoshi; Consolaro, Hélder

doi:10.1007/s00606-016-1327-1

Cited by 7 publications

(3 citation statements)

References 42 publications

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“…Moreover, certain species such as the white‐tipped sicklebill occurred only in the three largest patches (Borgella et al ., 2001). Subsequent studies have also shown that loss of native vegetation causes functional shifts in hummingbird communities by reducing the abundance of large and morphologically specialized traplining hummingbirds, such as sicklebills and hermits (Lindberg & Olesen, 2001; Matias, Maruyama & Consolaro, 2016; Hadley et al ., 2018; Tinoco et al ., 2018; Maruyama et al ., 2019; Morrison & Mendenhall, 2020). Because traplining hummingbirds are thought to travel long distances each day, such community shifts may stem from movement limitation in fragmented landscapes; for example, green hermits rely on forested corridors to traverse a landscape of cattle pasture and remnant forest patches (Hadley & Betts, 2009; Volpe et al ., 2014, 2016; Kormann et al ., 2016).…”

Section: Hummingbird Conservationmentioning

confidence: 99%

The evolution, ecology, and conservation of hummingbirds and their interactions with flowering plants

et al. 2022

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The ecological co-dependency between plants and hummingbirds is a classic example of a mutualistic interaction: hummingbirds rely on floral nectar to fuel their rapid metabolisms, and more than 7000 plant species rely on hummingbirds for pollination. However, threats to hummingbirds are mounting, with 10% of 366 species considered globally threatened and 60% in decline. Despite the important ecological implications of these population declines, no recent review has examined plant-hummingbird interactions in the wider context of their evolution, ecology, and conservation. To provide this overview, we (i) assess the extent to which plants and hummingbirds have coevolved over millions of years, (ii) examine the mechanisms underlying plant-hummingbird interaction frequencies and hummingbird specialization, (iii) explore the factors driving the decline of hummingbird populations, and (iv) map out directions for future research and conservation. We find that, despite close associations between plants and hummingbirds, acquiring evidence for coevolution (versus one-sided adaptation) is difficult because data on fitness outcomes for both partners are required. Thus, linking plant-hummingbird interactions to plant reproduction is not only a major avenue for future coevolutionary work, but also for studies of interaction networks, which rarely incorporate pollinator effectiveness. Nevertheless, over the past decade, a growing body of literature on plant-hummingbird networks suggests that hummingbirds form relationships with plants primarily based on overlapping phenologies and trait-matching between bill length and flower length. On the other hand, species-level specialization appears to depend primarily on local community context, such as hummingbird abundance and nectar availability. Finally, although hummingbirds are commonly viewed as resilient opportunists that thrive in brushy habitats, we find that range size and forest dependency are key predictors of hummingbird extinction risk. A critical direction for future research is to examine how potential stressorssuch as habitat loss and fragmentation, climate change, and introduction of non-native plantsmay interact to affect hummingbirds and the plants they pollinate.

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Section: Hummingbird Conservationmentioning

confidence: 99%

The evolution, ecology, and conservation of hummingbirds and their interactions with flowering plants

et al. 2022

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“…Phaethornis pretei, on the other hand, had greater frequency of occurrence in the periurban fragment. This specialized species is common in natural forest environment and forest edges (Matias et al 2016;Maruyama et al 2019), but P. pretei can benefit from the urban matrix as it can occasionally be found among houses in wooded gardens and building nests suspended on roots hidden under bridges (Sick 1997;Willis and Oniki 2003). The A. lactica species also showed a marked variation between the two study areas, with a higher frequency of observation between periurban and urban fragments, depending on the month.…”

Section: ₁₉₂ Mj D� S�� C�� mentioning

confidence: 99%

The probability of occurrence of disperser and pollinator birds in urban riparian forests

Caritá

Toledo

2022

Ecol. Austral

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“…However, the value of vegetated area is site-specific and species-specific, as another study from Brazil found an urban vegetation remnant to be unattractive to the most specialized hummingbird species in the region (Matias et al 2016). Thus, urbanization leads to more generalized plant-hummingbird interaction networks due to the absence of functionally specialized species (Maruyama et al 2019).…”

Section: Birds Bats and Other Vertebratesmentioning

confidence: 99%

A global review of urban pollinators and implications for maintaining pollination services in tropical cities

Maruyama¹,

Silva²,

Gomes³

et al. 2021

Preprint

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Pollinators provide essential ecosystem services worldwide, but dependence on biotic pollination is higher in the tropics, where urbanization is expected to impact biodiversity more severely. Here, we present a global review on urban pollinator studies with emphasis on the tropics. From the 308 published studies that included information on pollinator groups, only ~25 % were conducted in tropical regions, while ~65 % were carried out in the non-tropical northern hemisphere. This overall trend was similar for all the major insect pollinator groups, but not for vertebrates, which were overall less studied in both tropical and non-tropical regions. The effects of urbanization on tropical pollinators are diverse and complex and likely depend on the extent and type of urbanization, as well as the pollinator taxa studied. For both insect and vertebrate pollinators, the existing studies suggest that tropical cities can support generalist species tolerant of human activity, but the lack of studies hampers other general conclusions. The underrepresentation of pollinator studies in tropical cities undermines the value of urban biodiversity conservation in the most biodiverse regions of the world and highlights a missing opportunity. Since promoting urban biodiversity benefits both nature and people, it could be especially relevant in the Global South, where economic and social inequalities are severe and pollinator conservation may contribute to sustainability goals. In this context, initiatives that foster more international collaborations and research in the tropics are essential for a better understanding of the effects of urbanization and the value of pollinators in urban areas. Such knowledge can provide the basis for better urban planning strategies that contribute to the conservation of biodiversity and maintenance of pollination services in tropical cities.

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A non-hermit hummingbird as main pollinator for ornithophilous plants in two isolated forest fragments of the Cerrados

Cited by 7 publications

References 42 publications

The evolution, ecology, and conservation of hummingbirds and their interactions with flowering plants

The evolution, ecology, and conservation of hummingbirds and their interactions with flowering plants

The probability of occurrence of disperser and pollinator birds in urban riparian forests

A global review of urban pollinators and implications for maintaining pollination services in tropical cities

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