Chiroderma vizottoi, Taddei & B. K. Lim, 2010

Don E. Wilson & Russell A. Mittermeier, 2019, Phyllostomidae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 444-583 : 555

148.

Vizotto’s Big-eyed Bat

Chiroderma vizottoi

French: Chiroderme de Vizotto / German: Vizotto-GroRaugenfledermaus / Spanish: Quirodermo de Vizotto

Taxonomy. Chiroderma vizottor Taddei & B. K. Lim, 2010 ,

“Teresina (ca. 05° 02’ S and 42° 45' W), in the State of Piaui, Brazil.”

This species is monotypic.

Distribution. NE Brazil (Piaui and Ceara states).

Descriptive notes. Forearm 45-50 mm. No specific data are available for other measurements and body weight. Dorsal fur of Vizotto’s Big-eyed Bat is yellowish brown. Dorsal hairs are tricolored, with dark brown bases, pale buff middles, and yellowish brown tips. Underparts are grayish. Prominent white median dorsal stripe extends from interscapular region to rump. Head has prominent supraocular and subocular stripes of entirely white hairs. Ears have yellowish bases and margins, and the remainder is blackish. Tragus is yellowish, about ¢.33% the ear length. Noseleafis simple, unnotched at tip, and brown. Underparts are grayish. Wing membranes are blackish except for translucent area between second and third fingers. Uropatagium is hairy and well developed, with notch near level of knees. Proximal two-thirds of forearm is hairy.

Habitat. Xeric Brazilian caatinga. One Vizotto’s Big-eyed Bat from Piaui was captured in caatinga with relatively low xerophytic trees (3-5 m) near a rocky outcrop.

Food and Feeding. There is no specific information available for this species, but all species of Chiroderma for which there is information primarily eat seeds from fruits of Ficus (Moraceae) . In Ceara, seven Vizotto’s Big-eyed Bats were captured in mist nets set adjacent to fruiting trees belonging to an unidentified species of Moraceae .

Breeding. A pregnant and a lactating Vizotto’s Big-eyed Bat were captured in January.

Activity patterns. No information.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Data Deficient on The IUCN Red List. Vizotto’s Big-eyed bat is known from only ten individuals and virtually nothing is known about its diet, distribution, and life history.

Bibliography. Gregorin, Carmignotto & Percequillo (2008), Silva et al. (2015), Taddei & Lim (2010).

Figures

143. Guadeloupean Big-eyed Bat (Charoderma tmprovisum), 144. Little Big-eyed Bat (Charoderma trinitatum), 145. Salvin’s Big-eyed Bat (Chiroderma salvini), 146. Hairy Big-eyed Bat (Chiroderma villosum), 147. Brazilian Big-eyed Bat (Chiroderma doriae), 148. Vizotto’s Big-eyed Bat (Chiroderma vizottoi), 149. Bidentate Yellow-eared Bat (Vampyriscus bidens), 150. Brock’s Yellow-eared Bat (Vampyriscus brocki), 151. Striped Yellow-eared Bat (Vampyriscus nymphaea), 152. Baker’s Tent-making Bat (Uroderma bakeri), 153. Common Tent-making Bat (Uroderma bilobatum), 154. Pacific Tent-making Bat (Uroderma convexum), 155. Davis’s Tent-making Bat (Uroderma dauvisi), 156. Brown Tent-making Bat (Uroderma magnirostrum), 157. Kalko’s Yellow-eared Bat (Vampyressa elisabethae), 158. Melissa’s Yellow-eared Bat (Vampyressa melissa), 159. Quechuan Yellow-eared Bat (Vampyressa sinchi), 160. Northern Little Yellow-eared Bat (Vampyressa thyone), 161. Southern Little Yellow-eared Bat (Vampyressa pusilla), 162. MacConnell’s Bat (Mesophylla macconnelli), 163. Caracciolo’s Stripe-faced Bat (Vampyrodes caraccioli), 164. Great Stripe-faced Bat (Vampyrodes major)

Distribution. NE Brazil (Piaui and Ceara states).