Imidacloprid poisoning of songbirds following a drench application of trees in a residential neighborhood in california, USA

Krysta H. Rogers, Stella McMillin, Katie J. Olstad, Robert H Poppenga

Research output: Contribution to journalArticle

Abstract

In March 2017, 26 American goldfinches (Spinus tristis) were found dead following a drench application of imidacloprid in California (USA). Identical seed fragments were present in the digestive tracts. Imidacloprid was detected in 4 separate pooled samples from 18 birds, in crop/gizzard contents (4.8 ± 1.3 ppm; range 2.2–8.5 ppm) and liver tissues (3.9 ± 0.6 ppm; range 2.1–4.8 ppm). We suspect that fallen elm (Ulmus sp.) seeds were contaminated with imidacloprid during the drench application and subsequently ingested, resulting in acute toxicity and death. Environ Toxicol Chem 2019:1–4.

Original languageEnglish (US)
JournalEnvironmental Toxicology and Chemistry
DOIs
StatePublished - Jan 1 2019

Fingerprint

imidacloprid
Songbirds
songbird
poisoning
Poisoning
Seed
Seeds
Ulmus
Avian Gizzard
seed
Birds
Liver
Crops
Toxicity
Gastrointestinal Tract
Tissue
toxicity
bird
crop

Keywords

  • American goldfinch
  • Drench application
  • Imidacloprid
  • Neonicotinoid
  • Songbird
  • Toxicity

ASJC Scopus subject areas

  • Environmental Chemistry
  • Health, Toxicology and Mutagenesis

Cite this

Imidacloprid poisoning of songbirds following a drench application of trees in a residential neighborhood in california, USA. / Rogers, Krysta H.; McMillin, Stella; Olstad, Katie J.; Poppenga, Robert H.

In: Environmental Toxicology and Chemistry, 01.01.2019.

Research output: Contribution to journalArticle

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