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Twenty-one blood chemistry parameters were determined in 127 peregrine falcons (Falco peregrinus). 79 gyr-peregrine hybrids and 166 gyr-saker hybrids. These parameters, together with those previously established in 53 gyr falcons (Falco rusticolus) and 234 saker falcons (Falco cherrug), were compared. There were statistically significant differences in 15 of the parameters between the saker and peregrine falcons; the saker and gyr falcons; the saker and gyr-saker hybrids; the peregrine and gyr falcons; and the peregrine and gyr-peregrine hybrids, but not between the gyr falcons and the gyr-saker falcon hybrids. [ABSTRACT FROM AUTHOR]

Reveals the condition of the cardiovascular system of birds of prey using pulsed-wave Doppler echocardiography. Falco cherrug; Falco peregrinus; Otus lettia; Weight of birds; Diastolic inflow into the ventricles; Aortic blood flow; Position of the birds during examination; B-mode image quality; Heart beat frequency before and after fasting.

Presents a case of clinical trichomonosis in a saker falcon involving the middle ear. Detection of reduced appetite, difficulty in tearing and swallowing food, gradual weight loss, and a slight tilt of the head towards the left side of the falcon; Observation of a gradual development of a swelling on the left side of the head; Identification of the presence of Trichomonas gallinae in the affected area.

Discusses the infestation of Dermestes carnivorus in a saker falcon, Falco cherrug. Ectoparasites; Invertebrates associated with the integument of free-living and captive birds of prey; Clinical signs of Dermestes carnivorus infestation.