Vaquita

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There are less than 30 vaquita individuals left in the wild.

According to results from an acoustic monitoring program, there are less than 30 vaquita individuals left in the wild.

The most precise estimate of abundance was obtained from a cooperative Mexican-American shipboard line transect survey conducted in 1997 that estimated there were 567 individuals. An estimate in 2007 that was based on the 1997 population size, natural birth and death rates, and continued rates of bycatch, (lethal entanglement,) suggested that only about 150 individuals remained, only a portion of which were mature and contributing to recovery through reproduction. The 2008 population size was as low as 125 individuals. By 2014, it had plummeted to just 97 animals due to fishery bycatch.

Sources: (Becker, 2017; Braulik, 2017; CIRVA, November 2016; EIA, 201; Jaramillo-Legorreta, et al., 2016; Jaramillo-Legorreta, Rojas-Bracho, Gerrodette, 1999; Johnston, 2017; NOAA, 2008; Mungia-Vega, Esquer-Garrigos, Rojas-Bracho, Vazquez-Juarez, Castro-Prieto, & Flores-Ramirez, 2007; Rojas-Bracho, Reeves, & Jaramillo-Legorreta, 2006; Rojas-Bracho, Reeves, Jaramillo-Legorreta, & Taylor, 2008; Taylor et al., 2016)
Image: NotimexTV

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