Results 111 to 120 of about 7,092 (254)

Why we Should Study Solitary Species to Understand the Costs of Group‐Living

Ethology, EarlyView.
It's easier to measure the benefits than the costs of a trait. Solitary species benefit by avoiding the costs of group living. Thus, measuring benefits of solitary living informs us about the costs of group living. ABSTRACT While for decades behavioral ecologists have studied the benefits of group living, measuring its costs has been more difficult. It
Lindelani Makuya, Carsten Schradin
wiley   +1 more source

Site Fidelity, Depth Preference and Vertical Movement Patterns of Lentic and Lotic European Catfish Silurus glanis

Fisheries Management and Ecology, EarlyView.
ABSTRACT To study variables that may trigger the dispersion of the currently expanding European catfish in its native distribution limits, 42 individuals were captured from Upper Lake Constance (lentic) and 42 from two streaming tributaries (lotic), fitted with pressure and temperature loggers, and released at the site of capture (control: lotic or ...
Albert Ros, Jan Baer, Matthias Fromherz, Juergen Geist, Alexander Brinker   +4 more
wiley   +1 more source

First record of cannibalism in the red-finger rubble crab Eriphia gonagra (Fabricius, 1781) (Decapoda, Eriphidae) in a natural environment

Discover Animals
Cannibalism is considered a natural intraspecific interaction, being a response of organisms to available food resources, or in other cases, associated with high levels of environmental stress.
Camylle Santos Matos, Alyne Dias da Silva, Noumie Alves Machado, Pablo Augusto Gulhões da Silva, Pedro Lucas Souza de Andrade, Carlos Eduardo Rocha Duarte Alencar   +5 more
doaj   +1 more source

Dynamics of Growth–Feeding Mechanisms in Japanese Anchovy Larvae Under Different Environmental Conditions

Fisheries Oceanography, EarlyView.
ABSTRACT The linkage between growth rate and feeding success in fish larvae has received much attention as a potential indicator of future growth and survival potential. Given the increasing evidence that the growth–survival relationship is highly variable, the growth–feeding linkage would also exhibit variable dynamics among cohorts of the same ...
Shota Tanaka, Shizuna Togoshi, Etienne Germain, Naotaka Yasue, Masahiro Nakamura, Dominique Robert, Akinori Takasuka   +6 more
wiley   +1 more source

Contrasting Food Web Dynamics Across Oceanographic Boundaries in Subarctic Pelagic Ecosystems

Fisheries Oceanography, EarlyView.
ABSTRACT Understanding the structure of pelagic food webs across multiple trophic levels is critical for elucidating species interactions, energy flow, and anthropogenic impacts on production. This study presents a comprehensive analysis of the eastern North Pacific pelagic food webs, focusing on the Gulf of Alaska (GoA) during late winter of 2019.
Genyffer C. Troina, Evgeny A. Pakhomov, Laurie Weitkamp, Brian P. V. Hunt   +3 more
wiley   +1 more source

Relationships between chick vocalizations and parental absence in Kentish Plovers

Ibis, EarlyView.
Chick calls within bird species vary greatly, often in relation to whether parents are present. We studied chick calls in a nidifugous shorebird, the Kentish Plover Anarhynchus alexandrinus, in three circumstances—(1) on the nest with parental presence; (2) on the nest with parental absence; and (3) out‐of‐nest with human observer presence—and ...
Dong‐Yun Lee, Edward H. Miller, Ju‐Hyun Lee, Woo‐Yuel Kim, Seung‐Jun Oh, Ha‐Cheol Sung   +5 more
wiley   +1 more source

Shelters or ecological traps? Context‐dependent effects of nestboxes on breeding success in a colonial raptor

Ibis, EarlyView.
Artificial breeding structures, such as nestboxes, can potentially influence the population size and conservation status of bird species relying on heavily human‐modified environments such as agroecosystems and urban areas. However, the effectiveness of these interventions may vary, as artificial structures could attract individuals to suboptimal ...
Alejandro Corregidor‐Castro, Alessandro Berlusconi, Jacopo G. Cecere, Sara Cioccarelli, Claudia De Battisti, Andrea Romano, Diego Rubolini, Andrea Pilastro, Michelangelo Morganti   +8 more
wiley   +1 more source

Seasonality and plasticity in the use of native and introduced plant resources by a large forest parrot

Ibis, EarlyView.
Human‐induced environmental change is reshaping plant communities, requiring native animals to adapt their foraging behaviour to track and exploit novel food resources. Trees such as pines (Pinus spp.) introduced for plantation forestry outside of their native ranges often become naturalized.
Tirth Vaishnav, Kevin Chase Burns, Rachael C. Shaw   +2 more
wiley   +1 more source

Seasonal variation in preen gland secretions of Tristram's Storm Petrel (Hydrobates tristrami)

Ibis, EarlyView.
Preen gland secretions are known to vary depending on sex, season and species and are thought to play essential roles in avian life history. However, their chemical composition and functions remain largely unclear in Procellariiform seabirds with well‐developed olfactory senses. Storm petrels, known for their distinctive body odour, may use preen gland
Taiki Terajima, Yutaka Yamamoto, Kentaro Nagaoka   +2 more
wiley   +1 more source

Diet breadth shapes gut microbiota in the invasive hornet Vespa velutina

Insect Conservation and Diversity, EarlyView.
Dietary and microbial profiles of V. velutina larvae are dominated by Apidae and Firmicutes, respectively. DNA metabarcoding of larval meconium and gut samples reveals a significant positive correlation between prey richness and bacterial diversity in the invasive hornet V. velutina. Multiple significant correlations exist between dietary and microbial
Cayetano Herrera, Iris Alemany, Mar Leza, José A. Jurado‐Rivera   +3 more
wiley   +1 more source