Flamingo teeth

Figure 1. The picture says it all. Like ducks and Pelagornis, pseudo teeth appear in flamingos. Here they are used for filtering. Compare these jaws to those of the right whale, Balaena.

Figure 1. The picture says it all. Like ducks and Pelagornis, pseudo teeth appear in flamingos. Here they are used for filtering. Compare these jaws to those of the right whale, Balaena.

No, they’re not real teeth,
But they act like baleen to filter out tiny brine shrimp and blue-green algae. According to Wikipedia, “Their bills are specially adapted to separate mud and silt from the food they eat, and are uniquely used upside-down. The filtering of food items is assisted by hairy structures called lamellae which line the mandibles, and the large rough-surfaced tongue.”

Figure 2. Phoenicopterus, the flamingo, sometimes enjoys the beach.

Duck teeth
(Fig. 3) are not real teeth either.

Figure 3. Anas, the mallard duck, shares more trait with Aepyornis than with other taxa in the LRT.

Figure 3. Anas, the mallard duck, shares more trait with Aepyornis than with other taxa in the LRT.

Pelagornis teeth
(Fig. 4) are not real teeth either. But, brother they look ral.

Figure 1. Pelagornis skeletal elements.

Figure 4. Pelagornis skeletal elements.

Hesperornis teeth|
(Fig. 5) are real teeth.

Figure 2. Hesperornis skull. Compare this to that of Pelagornis in figure 1.

Figure 5. Hesperornis skull. Compare this to that of Pelagornis in figure 1.

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