Figure 2
From: Lethal methemoglobinemia in the invasive brown treesnake after acetaminophen ingestion

Relationship between (A) oxyhemoglobin (O2Hb) and deoxyhemoglobin (RHb) and (B) oxyhemoglobin and methemoglobin (MetHb) in blood of brown treesnakes gavaged with an 80 mg tablet of acetaminophen (Treated group) or an 80 mg tablet of inert matrix (Control group) terminally sampled at 2.4 h intervals over a previously determined median time to death of 14.2 h.