Behavioral and physiological response of the passerine bird Agelaioides badius to seeds coated with imidacloprid

Poliserpi, María Belén; Abad, Tatiana Noya; Gerónimo, Eduardo De; Aparicio, Virginia; Brodeur, Jean‐Marc

doi:10.1007/s11356-023-28074-y

Cited by 4 publications

(1 citation statement)

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“…This may be especially true in anthropogenically modified landscapes [56][57][58]. The availability of food seems to be a key factor for the development of chicks affecting their condition, usually assessed as measurements of morphological traits (e.g., wing length, tarsus, and culmen), body weight, and BCIs (Body Condition Indexes [59,60]), fat score [59,[61][62][63], and haematological [59,[64][65][66], physiological [67], and biochemical [65,67] parameters.…”

Section: Introductionmentioning

confidence: 99%

Effect of Management of Grassland on Prey Availability and Physiological Condition of Nestling of Red-Backed Shrike Lanius collurio

Knozowski,

Nowakowski,

Stawicka

et al. 2024

Animals

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The study aimed to determine the influence of grassland management on the potential food base of the red-backed shrike Lanius collurio and the condition of chicks in the population inhabiting semi-natural grasslands in the Narew floodplain. The grassland area was divided into three groups: extensively used meadows, intensively used meadows fertilised with mineral fertilisers, and intensively used meadows fertilised with liquid manure, and selected environmental factors that may influence food availability were determined. Using Barber traps, 1825 samples containing 53,739 arthropods were collected, and the diversity, abundance, and proportion of large arthropods in the samples were analysed depending on the grassland use type. In the bird population, the condition of the chicks was characterised by the BCI (Body Condition Index) and haematological parameters (glucose level, haemoglobin level, haematocrit, and H:L ratio). The diversity of arthropods was highest in extensively used meadows. Still, the mean abundance and proportion of arthropods over 1 cm in length differed significantly for Orthoptera, Hymenoptera, Arachne, and Carabidae between grassland use types, with the highest proportion of large arthropods and the highest abundance recorded in manure-fertilised meadows. The highest Body Condition Indexes and blood glucose levels of nestlings indicating good nestling nutrition were recorded in nests of birds associated with extensive land use. The H:L ratio as an indicator of the physiological condition of nestlings was high on manure-fertilised and extensively managed meadows, indicating stress factors associated with these environments. This suggests that consideration should be given to the effects of chemicals, such as pesticides or drug residues, that may come from slurry poured onto fields on the fitness of red-backed shrike chicks.

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