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Canary

Sentinel species are used to detect risks to humans by providing advance warning of a danger. The idea of placing warm-blooded animals in a mine to detect carbon monoxide was first proposed by the Scottish physiologist John Scott Haldane in 1913. Canaries (Serinus canaria ) were considered the best sentinel animals for detection of dangerous gases because they were found to be more sensitive than other species evaluated (Pollock 2016:386-387).
Flight

A chorus of juvenile heartbeats affected by Atrial Septal (ASD) and Ventricular Septal Defects (VSD), Patent Ductus Arteriosus(PDA), and Aortic Valve Stenosis (AVS), transposed to a higher frequency to simulate birdsong
An Experiment on a Bird in the Air Pump

In Joseph Wright’s 'An Experiment on a Bird in the Air Pump' (1768), he depicts the re-enactment of Boyle’s famous experiment. Contrary to the restricted viewing of this experiment in the confines of Gresham College by the gentleman of the Royal Society, this audience includes a variety of individuals of different ages and gender, exhibiting a mixture of emotions: a young girl worriedly watches the fate of the bird, while another is comforted by her father, seemingly too upset to view the rest of the experiment; a young boy and middle-aged man look on with absorption, while two young lovers only have eyes for each other; lastly an old man meditates on a skull in a jar, and the scientist stare out at the viewer, and not at the experiment.
Bird Mark 7 Respirator

Dr. Bird invented a number of popular medical devices that were used to care for patients with breathing problems. During WWII he served in the Army Air Corps where, in addition to training and transport assignments, he studied aircraft and respiratory and cardiovascular problems at high altitude. Two devices that he produced during the war went into the design of his first commercial ventilator, the Mark 7 Respirator. Dr. Bird’s respirators and anesthesia ventilators have been used during many of the first human surgical procedures. Among these were the first open heart procedure and the first liver transplant.
Electrocardiograph of first heart transplant

“The ventricular peaks would shoot up as in wild flight, and their intermediate planes would begin to jumble against one another like the sudden crashing of cars on a freight-train. The heart’s beautiful symmetry would then be reduced to an erratic green line of wild jerks until it entered the final isoelectric phase resembling a sawtooth – jagged lines of the heart seeking to rise like a dying bird, fluttering upward, only to fall once again onto its flat plane of death” (Barnard in Young 2002: 79-80).
Denise Darvall

"During the first heart transplant a shift occurred in the heart of Denise Darvall, the young brain-dead car accident victim whose family had allowed her heart to be given up. In his account of the operation, Barnard writes how her heart’s life fluid returned from the lungs – how many million times had it happened? – but different this time, void of oxygen. How her heart would react, at first, as if meeting only a small inconvenience. Unaware of what was happening, it would simply pump more excitedly – expecting some relief. Yet this would never come, and it would fall back in the first wave of confusion and fatigue. Barnard equates Darvall's heart with a bird trying to take flight" (Liebenberg 2011: 107-108).
Compound of Tincture of Chloroform and Morphine

"Directions: For an adult, from five to ten minims may be taken in a wineglasful of water, and repeated in three to four hours, if necessary. In severe cases, the dose may be increased to fifteen minims. As this preparation contains potent posions, it should be used with caution". (As read on the lable of the bottle) "Action and Uses: In addition to its well-known use as an anaesthetic, Chloroform has been highly recommended for the relief of asthma, and in the form of vaporoles can be employed safely during the passage of calculi from the gall-bladder or kidney. The vaporoles are the most useful in obstetric practice. A vaporole may be crushed and the vapour inhaled from the palm of the hand" (BWC 1896: 38). "Morphine Sulphate: Anodyne. Use with caution. One swallowed gives great relief of pain"(BWC 1925:132).