Works in North America
Published research works with metadata for North America (Continent).
1165 works
Showing 601 to 650 of 1165 works
The underground sex life of the Guatemalan Spike-thumb Frog (Plectrohyla guatemalensis)
Two populations of Plectrohyla guatemalensis from two different sites in Sacatepéquez, Guatemala, were monitored for three consecutive rainy seasons, and noteworthy reproductive b…
New records on distribution and habitat of the lesser long-nosed bat (Leptonycteris yerbabuenae) in Honduras
The lesser long-nosed bat (Leptonycteris yerbabuenae Martínez & Villa-R, 1940) is a specialized nectar feeding species found from southern USA to Nicaragua in Central America, mos…
A new record of the exotic Guapote jaguar, Parachromis managuensis (Günther, 1867) (Cichliformes, Cichlidae) in a tropi…
The presence of Parachromis managuensis has been reported for the first time in the Tres Palos Lagoon, State of Guerrero, on the coastal Lagoon of the Mexican Pacific slope. Two s…
One side makes you taller: a mushroom–eating butterfly caterpillar (Lycaenidae) in Costa Rica
Electrostrymon denarius is the first mushroom-feeding butterfly caterpillar discovered in the New World. It belongs to the Calycopidina, a subtribe of lycaenid butterflies whose c…
First documented predation of a Baird’s tapir by a jaguar in the Calakmul region, Mexico
To date, records of predation on Baird’s tapir (Tapirus bairdii) by jaguars (Panthera onca) were anecdotal and did not allow for differentiation regarding whether the animal had b…
Rediscovery of Vampyressa thyone (Chiroptera, Phyllostomidae) in Honduras: updated distribution and notes on its conser…
In Central America, Vampyressa is represented by two species, Vampyressa elisabethae and V. thyone. The latter is the only representative of the genus in Honduras and the most rec…
First record of albinism in the paca Cuniculus paca (Rodentia, Cuniculidae) in southeast Mexico
Even though there have been reports of anomalies in the colouration of several species of neotropical mammals, these events are considered to be rare within natural populations. H…
Bat diversity in three roosts in the Coast region of Oaxaca, México
In this paper, we analyze the richness, abundance, diversity and trophic guilds in a mine (La Mina) and two caves (El Apanguito and Cerro Huatulco) in the municipalities of Pluma …
First host plant record for Pacarina (Hemiptera, Cicadidae)
Twenty-nine Pacarina (Hemiptera: Cicadidae) adults, 12 males and 17 females, emerged from the soil of a potted Dracaena trifasciata (Asparagaceae) in Arraiján, Republic of Panama,…
Diet of Natalus mexicanus (Chiroptera, Natalidae) in a semi-evergreen forest in Oaxaca, Mexico
We investigated the diet composition of Natalus mexicanus in a semi-evergreen forest in the state of Oaxaca, in the southeast of Mexico, using fecal analysis. The diet was compose…
Metabarcoding outperforms traditional electrofishing in decapod and fish inventories, paving the way for enhanced biodi…
Environmental DNA (eDNA) metabarcoding revolutionized the biodiversity monitoring in aquatic ecosystems, giving access to taxonomic lists in a non-disruptive way. Although the met…
Autonomous samplers and environmental DNA metabarcoding: sampling day and primer choice have greatest impact on fish de…
Unprecedented rates of biodiversity loss and ecosystem function necessitate the use of rapid, efficacious, and cost-effective biomonitoring tools. The combination of autonomous sa…
Unravelling bird nest arthropod community structure using metabarcoding
Bird nests are fascinating microcosms harboring a wide range of arthropods parasitizing the nesting birds or feeding on prey remains, feces, and the nest material. Studies of thes…
Ecological signals of arctic plant-microbe associations are consistent across eDNA and vegetation surveys
Understanding how different taxa respond to abiotic characteristics of the environment is of key interest for understanding the assembly of communities. Yet, whether eDNA data wil…
COI amplicon sequence data of environmental DNA collected from the Bronx River Estuary, New York City
In this data paper, we describe environmental DNA (eDNA) cytochrome c oxidase (COI) amplicon sequence data from New York City’s Bronx River Estuary. As urban systems continue to e…
18S rRNA amplicon sequence data (V1–V3) of the Bronx river estuary, New York
Characterising and monitoring biological diversity to foster sustainable ecosystems is highly recommended as urban centres rapidly expand. However, much of New York City’s biodive…
Methodological considerations for monitoring soil/litter arthropods in tropical rainforests using DNA metabarcoding, wi…
Robust data to refute or support claims of global insect decline are currently lacking, particularly for the soil fauna in the tropics. DNA metabarcoding represents a powerful app…
Estimating fish alpha- and beta-diversity along a small stream with environmental DNA metabarcoding
Environmental DNA (eDNA) metabarcoding has been increasingly applied to biodiversity surveys in stream ecosystems. In stream networks, the accuracy of eDNA-based biodiversity asse…
An annotated catalog of Annelida types at the Museum of Nature Hamburg, Zoology. Part I: Annelida: Errantia: Aciculata:…
We present Part I of an annotated catalog of types in the Annelida collection of the Museum of Nature Hamburg, Leibniz Institute for the Analysis of Biodiversity Change. Part I in…
Further contributions to the taxonomy of Armillipora Quate (Diptera, Psychodidae) with the description of two additiona…
The genus Armillipora Quate is recorded for the first time in Brazil and Venezuela, based on the description of Armillipora bifida sp. nov. Additionally, a second new species, Arm…
An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Par…
Scorpions have always inspired fear and fascination because of the potency of their venoms. Although this ancient arachnid group is relatively small (ca. 2400 species) and has bee…
The genus Syrrhoe (Crustacea, Amphipoda, Synopiidae) from the North Atlantic
Three species of the amphipod genus Syrrhoe are described from the North Atlantic. The differences between these species are primarily the patterns of serration of the posterior m…
Description of female and early stages of Hispaniodirphia lemaireiana (Lepidoptera, Saturniidae) with notes on its ecol…
Hispaniodirphia lemaireiana Rougerie & Herbin, 2006 is an endemic saturniid moth restricted to the montane pine forests of Hispaniola. Here we provide the first description of the…
Acoustic analysis shows Clark’s Nutcracker seasonal and spatial habitat use during post-fire recovery of two endangered…
Whitebark pine (Pinus albicaulis) and limber pine (Pinus flexilis) are endangered species in Alberta that rely on seed caching by Clark’s Nutcracker (Nucifraga columbiana) for reg…
Conservation of threatened vascular plants in intensive agricultural landscapes in Canada
With a steadily shrinking natural landscape in the province of Saskatchewan, Canada, mainly caused by intensive agriculture, conservation of threatened plants in situ should becom…
Integrating herbarium data with spatial biodiversity assessment into conservation plans: A case study of the genus Care…
Sedge (Carex L.) is the largest genus of vascular plants in Saskatchewan, Canada, where it is represented by 105 species. The aim of this study was to develop an effective procedu…
Vegetation changes along an urbanisation and atmospheric pollution gradient in Mexico
Green areas are important places for biodiversity conservation within cities, but their vegetation is affected by various anthropogenic factors. This study used an exploratory app…
Mapping Rocky Mountain ridged mussel beds with preliminary identification of overlapping Eurasian watermilfoil within t…
The Rocky Mountain ridged mussel (Gonidea angulata) is a bivalve species whose Canadian range is limited to the Okanagan Valley, British Columbia. In 2019, conflicts between habit…
Differential responses of prairie rodents to edge effects from recreational trails
Edge effects are a common phenomenon in which an ecological variable changes with respect to distance from a habitat edge. Recreational trails may constitute a habitat edge for pr…
The role of herbivorous insects and pathogens in the regeneration dynamics of Guazuma ulmifolia in Panama
A significant proportion of the mortality of rainforest trees occurs during early life stages (seeds and seedlings), but mortality agents are often elusive. Our study investigated…
Caching behaviour by red squirrels may contribute to food conditioning of grizzly bears
We describe an interspecific relationship wherein grizzly bears (Ursus arctos horribilis) appear to seek out and consume agricultural seeds concentrated in the middens of red squi…
Investigation of fungal root colonizers of the invasive plant Vincetoxicum rossicum and co-occurring local native plant…
Fungal communities forming associations with plant roots have generally been described as ranging from symbiotic to parasitic. Disruptions to these associations consequently can h…
Morphology, ethology, new records, and ecological niche modeling for Hydromorphus and Tretanorhinus (Squamata, Colubrid…
The genera Hydromorphus and Tretanorhinus (Colubridae) comprise uncommon, poorly studied aquatic snakes, largely because of their nocturnal and aquatic habits. In Panama, four spe…
A new treefrog of the genus Charadrahyla (Anura, Hylidae) from Oaxaca, Mexico, with comments on the conservation status…
We describe a new species of Charadrahyla from the Sierra Juárez portion of the Sierra Madre Oriental in the state of Oaxaca, Mexico, and provide morphological and molecular data …
Co-occurring Cuban dwarf boas (Tropidophis) show limited dietary differentiation
Interspecific and intraspecific niche partitioning have been widely documented in sympatric snakes. Size variation and ecological differentiation in co-occurring Tropidophis in Cu…
Earthworms as a prey source for the insular snake Thamnophis sirtalis (Linnaeus, 1758)
Insular organisms typically evolve in closed, isolated systems; thus, changes caused by introduced species can drastically affect their ecology. Isle Royale National Park (Michiga…
A new species of Thamnophis (Serpentes, Colubridae) from Jalisco, Mexico, with a discussion on the phylogeny, taxonomy,…
Garter snakes in the genus Thamnophis from Mexico have a long and convoluted taxonomic history. From 2015 to 2022, we conducted a comprehensive sampling of Mexican Thamnophis spec…
Reproductive effort of Plestiodon copei (Squamata, Scincidae), a highland viviparous lizard from Central Mexico
Female reproductive effort is defined as the proportion of total energy or resources devoted to reproduction. In reptiles, there is frequently high inter- and intra-population var…
A novel species of piping frog Eleutherodactylus (Anura, Eleutherodactylidae) from southern Mexico
We describe a new species of Eleutherodactylus (subgenus Syrrhophus) from Guerrero, Mexico, based on morphological and molecular data, as well as advertisement call analysis. Eleu…
A new species of saxicolous Lepidophyma (Squamata, Xantusiidae) from Tamaulipas, Mexico
We describe a new saxicolous species of Lepidophyma from the Sierra Madre Oriental, in the state of Tamaulipas, Mexico and provide morphological and molecular data to support the …
Filling a gap in the distribution of the Berthold’s Bush Anole, Polychrus gutturosus (Squamata, Polychrotidae), in Hon…
The family Polychrotidae Fitzinger, 1843 is represented in Honduras by a single species, Polychrus gutturosus Berthold, 1845. This canopy dweller is distributed in the lowland moi…
Two new species of snail-eating snakes of the genus Tropidodipsas (Serpentes, Dipsadidae) from southern Mexico, with no…
We describe two new species of Tropidodipsas related to the T. fasciata species group as defined by Kofron (1987), and provide morphological and molecular data to support the nove…
Effects of body temperature on initial bite force in three species of rock- and crevice-dwelling lizards from Mexico
Bite force can be an important aspect of a lizard’s organismal performance, and is likely to be subject to influence by ambient conditions including an individual’s thermal enviro…
Signals of decline of flagship species Ambystoma altamirani Dugès, 1895 (Caudata, Ambystomatidae) in a Mexican natural …
Mexico is home to 18 species of salamanders in the family Ambystomidae. Endangered Ambystoma altamirani Dugès, 1895 is a flagship species for the Lagos de Zempoala National Park (…
Aspidoscelis costatus costatus (Squamata, Teiidae): high elevation clutch production for a population of whiptail lizar…
Clutch size and number of clutches per reproductive cycle are important life history traits that can be influenced by anatomical, physiological, evolutionary, and ecological facto…
Genetic diversity and structure of two endangered mole salamander species of the Trans-Mexican Volcanic Belt
The most important factor leading to amphibian population declines and extinctions is habitat degradation and destruction. To help prevent further extinctions, studies are needed …
Tropidodipsas sartorii (Cope, 1863) (Squamata: Dipsadidae): an addition to the snake fauna from Guerrero, Mexico
We report for the first time on the presence of the snake Tropidodipsas sartorii in the Mexican state of Guerrero. According to distribution and morphological evidence, the specim…
Taxonomy and phylogeny of the epiphytic sooty molds in family Metacapnodiaceae (class Eurotiomycetes, subclass Chaetoth…
Metacapnodiaceae is one of several sooty mold families in Ascomycota. Its species grow as dense, black, spongy mats on the surfaces of plant leaves and twigs, typically in associa…
Revisions to the Gliophorus irrigatus complex (Agaricales, Hygrophoraceae, Gliophorus, section Unguinosae) including fo…
Here, we report the discovery of four new agaricoid fungi in the Gliophorus irrigatus complex of the family Hygrophoraceae. Gliophorus alboviscidus sp. nov. from the UK is morphol…
Thirty novel fungal lineages: formal description based on environmental samples and DNA
Molecular analyses of soil and water commonly reveal large proportions of fungal taxa that cannot be assigned to any taxonomic or functional groups. Some of these so-called dark t…